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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/198841">198841</a></dd>
<dt>Author</dt> <dd>mmaxfield@apple.com</dd>
<dt>Date</dt> <dd>2016-03-30 09:50:14 -0700 (Wed, 30 Mar 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Use references instead of pointers in scrollbar-related code
https://bugs.webkit.org/show_bug.cgi?id=155998

Reviewed by Dean Jackson.

Source/WebCore:

Migrate pointers to references.

No new tests because there is no behavior change.

* page/FrameView.cpp:
(WebCore::FrameView::invalidateScrollbarRect):
(WebCore::FrameView::setVisibleScrollerThumbRect):
* page/FrameView.h:
* platform/ScrollView.cpp:
(WebCore::ScrollView::convertFromScrollbarToContainingView):
(WebCore::ScrollView::convertFromContainingViewToScrollbar):
* platform/ScrollView.h:
* platform/ScrollableArea.cpp:
(WebCore::ScrollableArea::invalidateScrollbar):
* platform/ScrollableArea.h:
(WebCore::ScrollableArea::convertFromScrollbarToContainingView):
(WebCore::ScrollableArea::convertFromContainingViewToScrollbar):
* platform/Scrollbar.cpp:
(WebCore::Scrollbar::invalidateRect):
(WebCore::Scrollbar::convertToContainingView):
(WebCore::Scrollbar::convertFromContainingView):
* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::convertFromScrollbarToContainingView):
(WebCore::RenderLayer::convertFromContainingViewToScrollbar):
(WebCore::RenderLayer::scrollbarOffset):
(WebCore::RenderLayer::invalidateScrollbarRect):
* rendering/RenderLayer.h:
* rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::destroyRootLayer):
* rendering/RenderListBox.cpp:
(WebCore::RenderListBox::invalidateScrollbarRect):
(WebCore::RenderListBox::convertFromScrollbarToContainingView):
(WebCore::RenderListBox::convertFromContainingViewToScrollbar):
* rendering/RenderListBox.h:
* platform/win/PopupMenuWin.cpp:
(WebCore::RenderListBox::invalidateScrollbarRect):
* platform/win/PopupMenuWin.h:

Source/WebKit2:

* WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h:
* WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm:
(WebKit::PDFPlugin::convertFromScrollbarToContainingView):
(WebKit::PDFPlugin::convertFromContainingViewToScrollbar):
(WebKit::PDFPlugin::invalidateScrollbarRect):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorepageFrameViewcpp">trunk/Source/WebCore/page/FrameView.cpp</a></li>
<li><a href="#trunkSourceWebCorepageFrameViewh">trunk/Source/WebCore/page/FrameView.h</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollViewcpp">trunk/Source/WebCore/platform/ScrollView.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollViewh">trunk/Source/WebCore/platform/ScrollView.h</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollableAreacpp">trunk/Source/WebCore/platform/ScrollableArea.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollableAreah">trunk/Source/WebCore/platform/ScrollableArea.h</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollbarcpp">trunk/Source/WebCore/platform/Scrollbar.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformwinPopupMenuWincpp">trunk/Source/WebCore/platform/win/PopupMenuWin.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformwinPopupMenuWinh">trunk/Source/WebCore/platform/win/PopupMenuWin.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayercpp">trunk/Source/WebCore/rendering/RenderLayer.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerh">trunk/Source/WebCore/rendering/RenderLayer.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerCompositorcpp">trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderListBoxcpp">trunk/Source/WebCore/rendering/RenderListBox.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderListBoxh">trunk/Source/WebCore/rendering/RenderListBox.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessPluginsPDFDeprecatedPDFPluginh">trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessPluginsPDFDeprecatedPDFPluginmm">trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/ChangeLog        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -1,3 +1,48 @@
</span><ins>+2016-03-30  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
+
+        Use references instead of pointers in scrollbar-related code
+        https://bugs.webkit.org/show_bug.cgi?id=155998
+
+        Reviewed by Dean Jackson.
+
+        Migrate pointers to references.
+
+        No new tests because there is no behavior change.
+
+        * page/FrameView.cpp:
+        (WebCore::FrameView::invalidateScrollbarRect):
+        (WebCore::FrameView::setVisibleScrollerThumbRect):
+        * page/FrameView.h:
+        * platform/ScrollView.cpp:
+        (WebCore::ScrollView::convertFromScrollbarToContainingView):
+        (WebCore::ScrollView::convertFromContainingViewToScrollbar):
+        * platform/ScrollView.h:
+        * platform/ScrollableArea.cpp:
+        (WebCore::ScrollableArea::invalidateScrollbar):
+        * platform/ScrollableArea.h:
+        (WebCore::ScrollableArea::convertFromScrollbarToContainingView):
+        (WebCore::ScrollableArea::convertFromContainingViewToScrollbar):
+        * platform/Scrollbar.cpp:
+        (WebCore::Scrollbar::invalidateRect):
+        (WebCore::Scrollbar::convertToContainingView):
+        (WebCore::Scrollbar::convertFromContainingView):
+        * rendering/RenderLayer.cpp:
+        (WebCore::RenderLayer::convertFromScrollbarToContainingView):
+        (WebCore::RenderLayer::convertFromContainingViewToScrollbar):
+        (WebCore::RenderLayer::scrollbarOffset):
+        (WebCore::RenderLayer::invalidateScrollbarRect):
+        * rendering/RenderLayer.h:
+        * rendering/RenderLayerCompositor.cpp:
+        (WebCore::RenderLayerCompositor::destroyRootLayer):
+        * rendering/RenderListBox.cpp:
+        (WebCore::RenderListBox::invalidateScrollbarRect):
+        (WebCore::RenderListBox::convertFromScrollbarToContainingView):
+        (WebCore::RenderListBox::convertFromContainingViewToScrollbar):
+        * rendering/RenderListBox.h:
+        * platform/win/PopupMenuWin.cpp:
+        (WebCore::RenderListBox::invalidateScrollbarRect):
+        * platform/win/PopupMenuWin.h:
+
</ins><span class="cx"> 2016-03-24  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Make animation events non-cancelable
</span></span></pre></div>
<a id="trunkSourceWebCorepageFrameViewcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/FrameView.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/FrameView.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/page/FrameView.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -3586,11 +3586,11 @@
</span><span class="cx">     return Scrollbar::pageStep(unobscuredContentRect.height(), unobscuredContentRect.height() - topObscuredArea - bottomObscuredArea);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void FrameView::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void FrameView::invalidateScrollbarRect(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><span class="cx">     // Add in our offset within the FrameView.
</span><span class="cx">     IntRect dirtyRect = rect;
</span><del>-    dirtyRect.moveBy(scrollbar-&gt;location());
</del><ins>+    dirtyRect.moveBy(scrollbar.location());
</ins><span class="cx">     invalidateRect(dirtyRect);
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -3611,11 +3611,8 @@
</span><span class="cx">     if (!frame().isMainFrame())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    Page* page = frame().page();
-    if (!page)
-        return;
-
-    page-&gt;chrome().client().notifyScrollerThumbIsVisibleInRect(scrollerThumb);
</del><ins>+    if (Page* page = frame().page())
+        page-&gt;chrome().client().notifyScrollerThumbIsVisibleInRect(scrollerThumb);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> ScrollableArea* FrameView::enclosingScrollableArea() const
</span></span></pre></div>
<a id="trunkSourceWebCorepageFrameViewh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/FrameView.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/FrameView.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/page/FrameView.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -625,7 +625,7 @@
</span><span class="cx">     void delegatesScrollingDidChange() override;
</span><span class="cx"> 
</span><span class="cx">     // ScrollableArea interface
</span><del>-    void invalidateScrollbarRect(Scrollbar*, const IntRect&amp;) override;
</del><ins>+    void invalidateScrollbarRect(Scrollbar&amp;, const IntRect&amp;) override;
</ins><span class="cx">     void scrollTo(const ScrollPosition&amp;) override;
</span><span class="cx">     void setVisibleScrollerThumbRect(const IntRect&amp;) override;
</span><span class="cx">     ScrollableArea* enclosingScrollableArea() const override;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollViewcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ScrollView.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ScrollView.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/ScrollView.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -1364,36 +1364,36 @@
</span><span class="cx">         || (m_verticalScrollbar &amp;&amp; height() - m_verticalScrollbar-&gt;height() &gt; 0);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect ScrollView::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect&amp; localRect) const
</del><ins>+IntRect ScrollView::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntRect&amp; localRect) const
</ins><span class="cx"> {
</span><span class="cx">     // Scrollbars won't be transformed within us
</span><span class="cx">     IntRect newRect = localRect;
</span><del>-    newRect.moveBy(scrollbar-&gt;location());
</del><ins>+    newRect.moveBy(scrollbar.location());
</ins><span class="cx">     return newRect;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect ScrollView::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect&amp; parentRect) const
</del><ins>+IntRect ScrollView::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntRect&amp; parentRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect newRect = parentRect;
</span><span class="cx">     // Scrollbars won't be transformed within us
</span><del>-    newRect.moveBy(-scrollbar-&gt;location());
</del><ins>+    newRect.moveBy(-scrollbar.location());
</ins><span class="cx">     return newRect;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> // FIXME: test these on windows
</span><del>-IntPoint ScrollView::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint&amp; localPoint) const
</del><ins>+IntPoint ScrollView::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntPoint&amp; localPoint) const
</ins><span class="cx"> {
</span><span class="cx">     // Scrollbars won't be transformed within us
</span><span class="cx">     IntPoint newPoint = localPoint;
</span><del>-    newPoint.moveBy(scrollbar-&gt;location());
</del><ins>+    newPoint.moveBy(scrollbar.location());
</ins><span class="cx">     return newPoint;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint ScrollView::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint&amp; parentPoint) const
</del><ins>+IntPoint ScrollView::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntPoint&amp; parentPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint newPoint = parentPoint;
</span><span class="cx">     // Scrollbars won't be transformed within us
</span><del>-    newPoint.moveBy(-scrollbar-&gt;location());
</del><ins>+    newPoint.moveBy(-scrollbar.location());
</ins><span class="cx">     return newPoint;
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollViewh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ScrollView.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ScrollView.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/ScrollView.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -367,10 +367,10 @@
</span><span class="cx">     virtual void paintScrollCorner(GraphicsContext&amp;, const IntRect&amp; cornerRect);
</span><span class="cx">     virtual void paintScrollbar(GraphicsContext&amp;, Scrollbar&amp;, const IntRect&amp;);
</span><span class="cx"> 
</span><del>-    IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&amp;) const override;
-    IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&amp;) const override;
-    IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&amp;) const override;
-    IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&amp;) const override;
</del><ins>+    IntRect convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntRect convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntPoint convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntPoint&amp;) const override;
+    IntPoint convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntPoint&amp;) const override;
</ins><span class="cx"> 
</span><span class="cx">     void calculateAndPaintOverhangAreas(GraphicsContext&amp;, const IntRect&amp; dirtyRect);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollableAreacpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ScrollableArea.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ScrollableArea.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/ScrollableArea.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -369,15 +369,15 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void ScrollableArea::invalidateScrollbar(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void ScrollableArea::invalidateScrollbar(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><del>-    if (scrollbar == horizontalScrollbar()) {
</del><ins>+    if (&amp;scrollbar == horizontalScrollbar()) {
</ins><span class="cx">         if (GraphicsLayer* graphicsLayer = layerForHorizontalScrollbar()) {
</span><span class="cx">             graphicsLayer-&gt;setNeedsDisplay();
</span><span class="cx">             graphicsLayer-&gt;setContentsNeedsDisplay();
</span><span class="cx">             return;
</span><span class="cx">         }
</span><del>-    } else if (scrollbar == verticalScrollbar()) {
</del><ins>+    } else if (&amp;scrollbar == verticalScrollbar()) {
</ins><span class="cx">         if (GraphicsLayer* graphicsLayer = layerForVerticalScrollbar()) {
</span><span class="cx">             graphicsLayer-&gt;setNeedsDisplay();
</span><span class="cx">             graphicsLayer-&gt;setContentsNeedsDisplay();
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollableAreah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ScrollableArea.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ScrollableArea.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/ScrollableArea.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -147,7 +147,7 @@
</span><span class="cx">     virtual bool isActive() const = 0;
</span><span class="cx">     virtual int scrollSize(ScrollbarOrientation) const = 0;
</span><span class="cx">     virtual int scrollOffset(ScrollbarOrientation) const = 0;
</span><del>-    WEBCORE_EXPORT virtual void invalidateScrollbar(Scrollbar*, const IntRect&amp;);
</del><ins>+    WEBCORE_EXPORT virtual void invalidateScrollbar(Scrollbar&amp;, const IntRect&amp;);
</ins><span class="cx">     virtual bool isScrollCornerVisible() const = 0;
</span><span class="cx">     virtual IntRect scrollCornerRect() const = 0;
</span><span class="cx">     WEBCORE_EXPORT virtual void invalidateScrollCorner(const IntRect&amp;);
</span><span class="lines">@@ -159,21 +159,21 @@
</span><span class="cx">     // Convert points and rects between the scrollbar and its containing view.
</span><span class="cx">     // The client needs to implement these in order to be aware of layout effects
</span><span class="cx">     // like CSS transforms.
</span><del>-    virtual IntRect convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect&amp; scrollbarRect) const
</del><ins>+    virtual IntRect convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntRect&amp; scrollbarRect) const
</ins><span class="cx">     {
</span><del>-        return scrollbar-&gt;Widget::convertToContainingView(scrollbarRect);
</del><ins>+        return scrollbar.Widget::convertToContainingView(scrollbarRect);
</ins><span class="cx">     }
</span><del>-    virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect&amp; parentRect) const
</del><ins>+    virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntRect&amp; parentRect) const
</ins><span class="cx">     {
</span><del>-        return scrollbar-&gt;Widget::convertFromContainingView(parentRect);
</del><ins>+        return scrollbar.Widget::convertFromContainingView(parentRect);
</ins><span class="cx">     }
</span><del>-    virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint&amp; scrollbarPoint) const
</del><ins>+    virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntPoint&amp; scrollbarPoint) const
</ins><span class="cx">     {
</span><del>-        return scrollbar-&gt;Widget::convertToContainingView(scrollbarPoint);
</del><ins>+        return scrollbar.Widget::convertToContainingView(scrollbarPoint);
</ins><span class="cx">     }
</span><del>-    virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint&amp; parentPoint) const
</del><ins>+    virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntPoint&amp; parentPoint) const
</ins><span class="cx">     {
</span><del>-        return scrollbar-&gt;Widget::convertFromContainingView(parentPoint);
</del><ins>+        return scrollbar.Widget::convertFromContainingView(parentPoint);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     int horizontalScrollbarIntrusion() const;
</span><span class="lines">@@ -323,7 +323,7 @@
</span><span class="cx">     void resetScrollOriginChanged() { m_scrollOriginChanged = false; }
</span><span class="cx"> 
</span><span class="cx">     WEBCORE_EXPORT virtual float adjustScrollStepForFixedContent(float step, ScrollbarOrientation, ScrollGranularity);
</span><del>-    virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&amp;) = 0;
</del><ins>+    virtual void invalidateScrollbarRect(Scrollbar&amp;, const IntRect&amp;) = 0;
</ins><span class="cx">     virtual void invalidateScrollCornerRect(const IntRect&amp;) = 0;
</span><span class="cx"> 
</span><span class="cx">     friend class ScrollingCoordinator;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollbarcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/Scrollbar.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/Scrollbar.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/Scrollbar.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -454,27 +454,27 @@
</span><span class="cx">     if (suppressInvalidation())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    m_scrollableArea.invalidateScrollbar(this, rect);
</del><ins>+    m_scrollableArea.invalidateScrollbar(*this, rect);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> IntRect Scrollbar::convertToContainingView(const IntRect&amp; localRect) const
</span><span class="cx"> {
</span><del>-    return m_scrollableArea.convertFromScrollbarToContainingView(this, localRect);
</del><ins>+    return m_scrollableArea.convertFromScrollbarToContainingView(*this, localRect);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> IntRect Scrollbar::convertFromContainingView(const IntRect&amp; parentRect) const
</span><span class="cx"> {
</span><del>-    return m_scrollableArea.convertFromContainingViewToScrollbar(this, parentRect);
</del><ins>+    return m_scrollableArea.convertFromContainingViewToScrollbar(*this, parentRect);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> IntPoint Scrollbar::convertToContainingView(const IntPoint&amp; localPoint) const
</span><span class="cx"> {
</span><del>-    return m_scrollableArea.convertFromScrollbarToContainingView(this, localPoint);
</del><ins>+    return m_scrollableArea.convertFromScrollbarToContainingView(*this, localPoint);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> IntPoint Scrollbar::convertFromContainingView(const IntPoint&amp; parentPoint) const
</span><span class="cx"> {
</span><del>-    return m_scrollableArea.convertFromContainingViewToScrollbar(this, parentPoint);
</del><ins>+    return m_scrollableArea.convertFromContainingViewToScrollbar(*this, parentPoint);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool Scrollbar::supportsUpdateOnSecondaryThread() const
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformwinPopupMenuWincpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/win/PopupMenuWin.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/win/PopupMenuWin.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/win/PopupMenuWin.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -720,10 +720,10 @@
</span><span class="cx">     ::UpdateWindow(m_popup);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void PopupMenuWin::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void PopupMenuWin::invalidateScrollbarRect(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><span class="cx">     IntRect scrollRect = rect;
</span><del>-    scrollRect.move(scrollbar-&gt;x(), scrollbar-&gt;y());
</del><ins>+    scrollRect.move(scrollbar.x(), scrollbar.y());
</ins><span class="cx">     RECT r = scrollRect;
</span><span class="cx">     ::InvalidateRect(m_popup, &amp;r, false);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformwinPopupMenuWinh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/win/PopupMenuWin.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/win/PopupMenuWin.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/platform/win/PopupMenuWin.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -94,7 +94,7 @@
</span><span class="cx">     int scrollSize(ScrollbarOrientation) const override;
</span><span class="cx">     int scrollOffset(ScrollbarOrientation) const override;
</span><span class="cx">     void setScrollOffset(const IntPoint&amp;) override;
</span><del>-    void invalidateScrollbarRect(Scrollbar*, const IntRect&amp;) override;
</del><ins>+    void invalidateScrollbarRect(Scrollbar&amp;, const IntRect&amp;) override;
</ins><span class="cx">     void invalidateScrollCornerRect(const IntRect&amp;) override { }
</span><span class="cx">     bool isActive() const override { return true; }
</span><span class="cx">     ScrollableArea* enclosingScrollableArea() const override { return 0; }
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayer.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayer.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/rendering/RenderLayer.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -2860,7 +2860,7 @@
</span><span class="cx">     return !scrollCornerRect().isEmpty();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect RenderLayer::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect&amp; scrollbarRect) const
</del><ins>+IntRect RenderLayer::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntRect&amp; scrollbarRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = scrollbarRect;
</span><span class="cx">     rect.move(scrollbarOffset(scrollbar));
</span><span class="lines">@@ -2868,21 +2868,21 @@
</span><span class="cx">     return renderer().view().frameView().convertFromRendererToContainingView(&amp;renderer(), rect);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect RenderLayer::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect&amp; parentRect) const
</del><ins>+IntRect RenderLayer::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntRect&amp; parentRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = renderer().view().frameView().convertFromContainingViewToRenderer(&amp;renderer(), parentRect);
</span><span class="cx">     rect.move(-scrollbarOffset(scrollbar));
</span><span class="cx">     return rect;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint RenderLayer::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint&amp; scrollbarPoint) const
</del><ins>+IntPoint RenderLayer::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntPoint&amp; scrollbarPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = scrollbarPoint;
</span><span class="cx">     point.move(scrollbarOffset(scrollbar));
</span><span class="cx">     return renderer().view().frameView().convertFromRendererToContainingView(&amp;renderer(), point);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint RenderLayer::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint&amp; parentPoint) const
</del><ins>+IntPoint RenderLayer::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntPoint&amp; parentPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = renderer().view().frameView().convertFromContainingViewToRenderer(&amp;renderer(), parentPoint);
</span><span class="cx">     point.move(-scrollbarOffset(scrollbar));
</span><span class="lines">@@ -3008,26 +3008,26 @@
</span><span class="cx">     return x;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntSize RenderLayer::scrollbarOffset(const Scrollbar* scrollbar) const
</del><ins>+IntSize RenderLayer::scrollbarOffset(const Scrollbar&amp; scrollbar) const
</ins><span class="cx"> {
</span><span class="cx">     RenderBox* box = renderBox();
</span><span class="cx"> 
</span><del>-    if (scrollbar == m_vBar.get())
</del><ins>+    if (&amp;scrollbar == m_vBar.get())
</ins><span class="cx">         return IntSize(verticalScrollbarStart(0, box-&gt;width()), box-&gt;borderTop());
</span><span class="cx"> 
</span><del>-    if (scrollbar == m_hBar.get())
-        return IntSize(horizontalScrollbarStart(0), box-&gt;height() - box-&gt;borderBottom() - scrollbar-&gt;height());
</del><ins>+    if (&amp;scrollbar == m_hBar.get())
+        return IntSize(horizontalScrollbarStart(0), box-&gt;height() - box-&gt;borderBottom() - scrollbar.height());
</ins><span class="cx">     
</span><span class="cx">     ASSERT_NOT_REACHED();
</span><span class="cx">     return IntSize();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void RenderLayer::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void RenderLayer::invalidateScrollbarRect(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><span class="cx">     if (!showsOverflowControls())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    if (scrollbar == m_vBar.get()) {
</del><ins>+    if (&amp;scrollbar == m_vBar.get()) {
</ins><span class="cx">         if (GraphicsLayer* layer = layerForVerticalScrollbar()) {
</span><span class="cx">             layer-&gt;setNeedsDisplayInRect(rect);
</span><span class="cx">             return;
</span><span class="lines">@@ -3046,10 +3046,10 @@
</span><span class="cx">     if (!box-&gt;parent())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    if (scrollbar == m_vBar.get())
</del><ins>+    if (&amp;scrollbar == m_vBar.get())
</ins><span class="cx">         scrollRect.move(verticalScrollbarStart(0, box-&gt;width()), box-&gt;borderTop());
</span><span class="cx">     else
</span><del>-        scrollRect.move(horizontalScrollbarStart(0), box-&gt;height() - box-&gt;borderBottom() - scrollbar-&gt;height());
</del><ins>+        scrollRect.move(horizontalScrollbarStart(0), box-&gt;height() - box-&gt;borderBottom() - scrollbar.height());
</ins><span class="cx">     LayoutRect repaintRect = scrollRect;
</span><span class="cx">     renderBox()-&gt;flipForWritingMode(repaintRect);
</span><span class="cx">     renderer().repaintRectangle(repaintRect);
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayer.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayer.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/rendering/RenderLayer.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -860,15 +860,15 @@
</span><span class="cx">     int scrollOffset(ScrollbarOrientation) const override;
</span><span class="cx">     
</span><span class="cx">     // ScrollableArea interface
</span><del>-    void invalidateScrollbarRect(Scrollbar*, const IntRect&amp;) override;
</del><ins>+    void invalidateScrollbarRect(Scrollbar&amp;, const IntRect&amp;) override;
</ins><span class="cx">     void invalidateScrollCornerRect(const IntRect&amp;) override;
</span><span class="cx">     bool isActive() const override;
</span><span class="cx">     bool isScrollCornerVisible() const override;
</span><span class="cx">     IntRect scrollCornerRect() const override;
</span><del>-    IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&amp;) const override;
-    IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&amp;) const override;
-    IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&amp;) const override;
-    IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&amp;) const override;
</del><ins>+    IntRect convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntRect convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntPoint convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntPoint&amp;) const override;
+    IntPoint convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntPoint&amp;) const override;
</ins><span class="cx">     int scrollSize(ScrollbarOrientation) const override;
</span><span class="cx">     void setScrollOffset(const ScrollOffset&amp;) override;
</span><span class="cx"> 
</span><span class="lines">@@ -901,7 +901,7 @@
</span><span class="cx">     void scrollTo(const ScrollPosition&amp;);
</span><span class="cx">     void updateCompositingLayersAfterScroll();
</span><span class="cx"> 
</span><del>-    IntSize scrollbarOffset(const Scrollbar*) const;
</del><ins>+    IntSize scrollbarOffset(const Scrollbar&amp;) const;
</ins><span class="cx">     
</span><span class="cx">     void updateScrollableAreaSet(bool hasOverflow);
</span><span class="cx">     
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerCompositorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -3492,7 +3492,7 @@
</span><span class="cx">         if (ScrollingCoordinator* scrollingCoordinator = this-&gt;scrollingCoordinator())
</span><span class="cx">             scrollingCoordinator-&gt;scrollableAreaScrollbarLayerDidChange(m_renderView.frameView(), HorizontalScrollbar);
</span><span class="cx">         if (Scrollbar* horizontalScrollbar = m_renderView.frameView().verticalScrollbar())
</span><del>-            m_renderView.frameView().invalidateScrollbar(horizontalScrollbar, IntRect(IntPoint(0, 0), horizontalScrollbar-&gt;frameRect().size()));
</del><ins>+            m_renderView.frameView().invalidateScrollbar(*horizontalScrollbar, IntRect(IntPoint(0, 0), horizontalScrollbar-&gt;frameRect().size()));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (m_layerForVerticalScrollbar) {
</span><span class="lines">@@ -3501,7 +3501,7 @@
</span><span class="cx">         if (ScrollingCoordinator* scrollingCoordinator = this-&gt;scrollingCoordinator())
</span><span class="cx">             scrollingCoordinator-&gt;scrollableAreaScrollbarLayerDidChange(m_renderView.frameView(), VerticalScrollbar);
</span><span class="cx">         if (Scrollbar* verticalScrollbar = m_renderView.frameView().verticalScrollbar())
</span><del>-            m_renderView.frameView().invalidateScrollbar(verticalScrollbar, IntRect(IntPoint(0, 0), verticalScrollbar-&gt;frameRect().size()));
</del><ins>+            m_renderView.frameView().invalidateScrollbar(*verticalScrollbar, IntRect(IntPoint(0, 0), verticalScrollbar-&gt;frameRect().size()));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (m_layerForScrollCorner) {
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderListBoxcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderListBox.cpp (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderListBox.cpp        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/rendering/RenderListBox.cpp        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -729,44 +729,44 @@
</span><span class="cx">     return page &amp;&amp; page-&gt;focusController().isActive();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void RenderListBox::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void RenderListBox::invalidateScrollbarRect(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><span class="cx">     IntRect scrollRect = rect;
</span><del>-    scrollRect.move(width() - borderRight() - scrollbar-&gt;width(), borderTop());
</del><ins>+    scrollRect.move(width() - borderRight() - scrollbar.width(), borderTop());
</ins><span class="cx">     repaintRectangle(scrollRect);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect RenderListBox::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect&amp; scrollbarRect) const
</del><ins>+IntRect RenderListBox::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntRect&amp; scrollbarRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = scrollbarRect;
</span><del>-    int scrollbarLeft = width() - borderRight() - scrollbar-&gt;width();
</del><ins>+    int scrollbarLeft = width() - borderRight() - scrollbar.width();
</ins><span class="cx">     int scrollbarTop = borderTop();
</span><span class="cx">     rect.move(scrollbarLeft, scrollbarTop);
</span><span class="cx">     return view().frameView().convertFromRendererToContainingView(this, rect);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect RenderListBox::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect&amp; parentRect) const
</del><ins>+IntRect RenderListBox::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntRect&amp; parentRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = view().frameView().convertFromContainingViewToRenderer(this, parentRect);
</span><del>-    int scrollbarLeft = width() - borderRight() - scrollbar-&gt;width();
</del><ins>+    int scrollbarLeft = width() - borderRight() - scrollbar.width();
</ins><span class="cx">     int scrollbarTop = borderTop();
</span><span class="cx">     rect.move(-scrollbarLeft, -scrollbarTop);
</span><span class="cx">     return rect;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint RenderListBox::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint&amp; scrollbarPoint) const
</del><ins>+IntPoint RenderListBox::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntPoint&amp; scrollbarPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = scrollbarPoint;
</span><del>-    int scrollbarLeft = width() - borderRight() - scrollbar-&gt;width();
</del><ins>+    int scrollbarLeft = width() - borderRight() - scrollbar.width();
</ins><span class="cx">     int scrollbarTop = borderTop();
</span><span class="cx">     point.move(scrollbarLeft, scrollbarTop);
</span><span class="cx">     return view().frameView().convertFromRendererToContainingView(this, point);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint RenderListBox::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint&amp; parentPoint) const
</del><ins>+IntPoint RenderListBox::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntPoint&amp; parentPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = view().frameView().convertFromContainingViewToRenderer(this, parentPoint);
</span><del>-    int scrollbarLeft = width() - borderRight() - scrollbar-&gt;width();
</del><ins>+    int scrollbarLeft = width() - borderRight() - scrollbar.width();
</ins><span class="cx">     int scrollbarTop = borderTop();
</span><span class="cx">     point.move(-scrollbarLeft, -scrollbarTop);
</span><span class="cx">     return point;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderListBoxh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderListBox.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderListBox.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebCore/rendering/RenderListBox.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -114,15 +114,15 @@
</span><span class="cx">     void setScrollOffset(const ScrollOffset&amp;) override;
</span><span class="cx">     ScrollPosition minimumScrollPosition() const override;
</span><span class="cx">     ScrollPosition maximumScrollPosition() const override;
</span><del>-    void invalidateScrollbarRect(Scrollbar*, const IntRect&amp;) override;
</del><ins>+    void invalidateScrollbarRect(Scrollbar&amp;, const IntRect&amp;) override;
</ins><span class="cx">     bool isActive() const override;
</span><span class="cx">     bool isScrollCornerVisible() const override { return false; } // We don't support resize on list boxes yet. If we did these would have to change.
</span><span class="cx">     IntRect scrollCornerRect() const override { return IntRect(); }
</span><span class="cx">     void invalidateScrollCornerRect(const IntRect&amp;) override { }
</span><del>-    IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&amp;) const override;
-    IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&amp;) const override;
-    IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&amp;) const override;
-    IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&amp;) const override;
</del><ins>+    IntRect convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntRect convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntRect&amp;) const override;
+    IntPoint convertFromScrollbarToContainingView(const Scrollbar&amp;, const IntPoint&amp;) const override;
+    IntPoint convertFromContainingViewToScrollbar(const Scrollbar&amp;, const IntPoint&amp;) const override;
</ins><span class="cx">     Scrollbar* verticalScrollbar() const override { return m_vBar.get(); }
</span><span class="cx">     IntSize contentsSize() const override;
</span><span class="cx">     IntSize visibleSize() const override { return IntSize(width(), height()); }
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebKit2/ChangeLog        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2016-03-30  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
+
+        Use references instead of pointers in scrollbar-related code
+        https://bugs.webkit.org/show_bug.cgi?id=155998
+
+        Reviewed by Dean Jackson.
+
+        * WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h:
+        * WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm:
+        (WebKit::PDFPlugin::convertFromScrollbarToContainingView):
+        (WebKit::PDFPlugin::convertFromContainingViewToScrollbar):
+        (WebKit::PDFPlugin::invalidateScrollbarRect):
+
</ins><span class="cx"> 2016-03-29  David Kilzer  &lt;ddkilzer@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         REGRESSION: Yosemite-only: com.apple.WebKit.Plugin.32.Development crashed in PluginProcessShim.dylib: WebKit::shimMachVMMap + 26
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessPluginsPDFDeprecatedPDFPluginh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.h        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -191,7 +191,7 @@
</span><span class="cx">     bool hasScrollableOrRubberbandableAncestor() override { return true; }
</span><span class="cx">     WebCore::IntRect scrollableAreaBoundingBox(bool* = nullptr) const override;
</span><span class="cx">     void setScrollOffset(const WebCore::ScrollOffset&amp;) override;
</span><del>-    void invalidateScrollbarRect(WebCore::Scrollbar*, const WebCore::IntRect&amp;) override;
</del><ins>+    void invalidateScrollbarRect(WebCore::Scrollbar&amp;, const WebCore::IntRect&amp;) override;
</ins><span class="cx">     void invalidateScrollCornerRect(const WebCore::IntRect&amp;) override;
</span><span class="cx">     WebCore::IntPoint lastKnownMousePosition() const override { return m_lastMousePositionInPluginCoordinates; }
</span><span class="cx">     int scrollSize(WebCore::ScrollbarOrientation) const override;
</span><span class="lines">@@ -207,10 +207,10 @@
</span><span class="cx">     WebCore::Scrollbar* verticalScrollbar() const override { return m_verticalScrollbar.get(); }
</span><span class="cx">     bool shouldSuspendScrollAnimations() const override { return false; } // If we return true, ScrollAnimatorMac will keep cycling a timer forever, waiting for a good time to animate.
</span><span class="cx">     void scrollbarStyleChanged(WebCore::ScrollbarStyle, bool forceUpdate) override;
</span><del>-    WebCore::IntRect convertFromScrollbarToContainingView(const WebCore::Scrollbar*, const WebCore::IntRect&amp; scrollbarRect) const override;
-    WebCore::IntRect convertFromContainingViewToScrollbar(const WebCore::Scrollbar*, const WebCore::IntRect&amp; parentRect) const override;
-    WebCore::IntPoint convertFromScrollbarToContainingView(const WebCore::Scrollbar*, const WebCore::IntPoint&amp; scrollbarPoint) const override;
-    WebCore::IntPoint convertFromContainingViewToScrollbar(const WebCore::Scrollbar*, const WebCore::IntPoint&amp; parentPoint) const override;
</del><ins>+    WebCore::IntRect convertFromScrollbarToContainingView(const WebCore::Scrollbar&amp;, const WebCore::IntRect&amp; scrollbarRect) const override;
+    WebCore::IntRect convertFromContainingViewToScrollbar(const WebCore::Scrollbar&amp;, const WebCore::IntRect&amp; parentRect) const override;
+    WebCore::IntPoint convertFromScrollbarToContainingView(const WebCore::Scrollbar&amp;, const WebCore::IntPoint&amp; scrollbarPoint) const override;
+    WebCore::IntPoint convertFromContainingViewToScrollbar(const WebCore::Scrollbar&amp;, const WebCore::IntPoint&amp; parentPoint) const override;
</ins><span class="cx">     bool updatesScrollLayerPositionOnMainThread() const override { return true; }
</span><span class="cx">     bool forceUpdateScrollbarsOnMainThreadForPerformanceTesting() const override;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessPluginsPDFDeprecatedPDFPluginmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm (198840 => 198841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm        2016-03-30 16:37:28 UTC (rev 198840)
+++ trunk/Source/WebKit2/WebProcess/Plugins/PDF/DeprecatedPDFPlugin.mm        2016-03-30 16:50:14 UTC (rev 198841)
</span><span class="lines">@@ -688,34 +688,34 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect PDFPlugin::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect&amp; scrollbarRect) const
</del><ins>+IntRect PDFPlugin::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntRect&amp; scrollbarRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = scrollbarRect;
</span><del>-    rect.move(scrollbar-&gt;location() - pluginView()-&gt;location());
</del><ins>+    rect.move(scrollbar.location() - pluginView()-&gt;location());
</ins><span class="cx"> 
</span><span class="cx">     return pluginView()-&gt;frame()-&gt;view()-&gt;convertFromRendererToContainingView(pluginView()-&gt;pluginElement()-&gt;renderer(), rect);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntRect PDFPlugin::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect&amp; parentRect) const
</del><ins>+IntRect PDFPlugin::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntRect&amp; parentRect) const
</ins><span class="cx"> {
</span><span class="cx">     IntRect rect = pluginView()-&gt;frame()-&gt;view()-&gt;convertFromContainingViewToRenderer(pluginView()-&gt;pluginElement()-&gt;renderer(), parentRect);
</span><del>-    rect.move(pluginView()-&gt;location() - scrollbar-&gt;location());
</del><ins>+    rect.move(pluginView()-&gt;location() - scrollbar.location());
</ins><span class="cx"> 
</span><span class="cx">     return rect;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint PDFPlugin::convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint&amp; scrollbarPoint) const
</del><ins>+IntPoint PDFPlugin::convertFromScrollbarToContainingView(const Scrollbar&amp; scrollbar, const IntPoint&amp; scrollbarPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = scrollbarPoint;
</span><del>-    point.move(scrollbar-&gt;location() - pluginView()-&gt;location());
</del><ins>+    point.move(scrollbar.location() - pluginView()-&gt;location());
</ins><span class="cx"> 
</span><span class="cx">     return pluginView()-&gt;frame()-&gt;view()-&gt;convertFromRendererToContainingView(pluginView()-&gt;pluginElement()-&gt;renderer(), point);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-IntPoint PDFPlugin::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint&amp; parentPoint) const
</del><ins>+IntPoint PDFPlugin::convertFromContainingViewToScrollbar(const Scrollbar&amp; scrollbar, const IntPoint&amp; parentPoint) const
</ins><span class="cx"> {
</span><span class="cx">     IntPoint point = pluginView()-&gt;frame()-&gt;view()-&gt;convertFromContainingViewToRenderer(pluginView()-&gt;pluginElement()-&gt;renderer(), parentPoint);
</span><del>-    point.move(pluginView()-&gt;location() - scrollbar-&gt;location());
</del><ins>+    point.move(pluginView()-&gt;location() - scrollbar.location());
</ins><span class="cx">     
</span><span class="cx">     return point;
</span><span class="cx"> }
</span><span class="lines">@@ -1567,11 +1567,11 @@
</span><span class="cx">     [CATransaction commit];
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void PDFPlugin::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect&amp; rect)
</del><ins>+void PDFPlugin::invalidateScrollbarRect(Scrollbar&amp; scrollbar, const IntRect&amp; rect)
</ins><span class="cx"> {
</span><del>-    if (scrollbar == horizontalScrollbar())
</del><ins>+    if (&amp;scrollbar == horizontalScrollbar())
</ins><span class="cx">         [m_horizontalScrollbarLayer setNeedsDisplay];
</span><del>-    else if (scrollbar == verticalScrollbar())
</del><ins>+    else if (&amp;scrollbar == verticalScrollbar())
</ins><span class="cx">         [m_verticalScrollbarLayer setNeedsDisplay];
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre>
</div>
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