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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/198817">198817</a></dd>
<dt>Author</dt> <dd>mmaxfield@apple.com</dd>
<dt>Date</dt> <dd>2016-03-29 18:24:50 -0700 (Tue, 29 Mar 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>REGRESSION(<a href="http://trac.webkit.org/projects/webkit/changeset/198784">r198784</a>) Shouldn't add platform-dependent code to ScrollableArea.h
https://bugs.webkit.org/show_bug.cgi?id=155999

Rolling out the patch.

* platform/ScrollableArea.h:
(WebCore::ScrollableArea::horizontalScrollbar):
(WebCore::ScrollableArea::verticalScrollbar):
(WebCore::ScrollableArea::tiledBacking):
(WebCore::ScrollableArea::layerForHorizontalScrollbar):
(WebCore::ScrollableArea::layerForVerticalScrollbar):
(WebCore::ScrollableArea::layerForScrolling):
(WebCore::ScrollableArea::layerForScrollCorner):
(WebCore::ScrollableArea::layerForOverhangAreas):
* platform/mac/ScrollAnimatorMac.mm:
(WebCore::ScrollAnimatorMac::updateScrollerStyle): Deleted.
* platform/mac/ScrollableAreaMac.mm:
(WebCore::ScrollableArea::setScrollbarLayoutDirection): Deleted.
* platform/mac/ScrollbarThemeMac.mm:
(WebCore::ScrollbarThemeMac::registerScrollbar): Deleted.
* platform/spi/mac/NSScrollerImpSPI.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformScrollableAreah">trunk/Source/WebCore/platform/ScrollableArea.h</a></li>
<li><a href="#trunkSourceWebCoreplatformmacScrollAnimatorMacmm">trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformmacScrollableAreaMacmm">trunk/Source/WebCore/platform/mac/ScrollableAreaMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformmacScrollbarThemeMacmm">trunk/Source/WebCore/platform/mac/ScrollbarThemeMac.mm</a></li>
<li><a href="#trunkSourceWebCoreplatformspimacNSScrollerImpSPIh">trunk/Source/WebCore/platform/spi/mac/NSScrollerImpSPI.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/ChangeLog        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -1,3 +1,27 @@
</span><ins>+2016-03-29  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
+
+        REGRESSION(r198784) Shouldn't add platform-dependent code to ScrollableArea.h
+        https://bugs.webkit.org/show_bug.cgi?id=155999
+
+        Rolling out the patch.
+
+        * platform/ScrollableArea.h:
+        (WebCore::ScrollableArea::horizontalScrollbar):
+        (WebCore::ScrollableArea::verticalScrollbar):
+        (WebCore::ScrollableArea::tiledBacking):
+        (WebCore::ScrollableArea::layerForHorizontalScrollbar):
+        (WebCore::ScrollableArea::layerForVerticalScrollbar):
+        (WebCore::ScrollableArea::layerForScrolling):
+        (WebCore::ScrollableArea::layerForScrollCorner):
+        (WebCore::ScrollableArea::layerForOverhangAreas):
+        * platform/mac/ScrollAnimatorMac.mm:
+        (WebCore::ScrollAnimatorMac::updateScrollerStyle): Deleted.
+        * platform/mac/ScrollableAreaMac.mm:
+        (WebCore::ScrollableArea::setScrollbarLayoutDirection): Deleted.
+        * platform/mac/ScrollbarThemeMac.mm:
+        (WebCore::ScrollbarThemeMac::registerScrollbar): Deleted.
+        * platform/spi/mac/NSScrollerImpSPI.h:
+
</ins><span class="cx"> 2016-03-29  Alex Christensen  &lt;achristensen@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix Windows clean build.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformScrollableAreah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ScrollableArea.h (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ScrollableArea.h        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/platform/ScrollableArea.h        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -29,10 +29,6 @@
</span><span class="cx"> #include &quot;Scrollbar.h&quot;
</span><span class="cx"> #include &lt;wtf/Vector.h&gt;
</span><span class="cx"> 
</span><del>-#if PLATFORM(COCOA)
-OBJC_CLASS NSScrollerImp;
-#endif
-
</del><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><span class="cx"> class FloatPoint;
</span><span class="lines">@@ -184,8 +180,8 @@
</span><span class="cx">     int verticalScrollbarIntrusion() const;
</span><span class="cx">     WEBCORE_EXPORT IntSize scrollbarIntrusion() const;
</span><span class="cx"> 
</span><del>-    virtual Scrollbar* horizontalScrollbar() const { return nullptr; }
-    virtual Scrollbar* verticalScrollbar() const { return nullptr; }
</del><ins>+    virtual Scrollbar* horizontalScrollbar() const { return 0; }
+    virtual Scrollbar* verticalScrollbar() const { return 0; }
</ins><span class="cx"> 
</span><span class="cx">     const IntPoint&amp; scrollOrigin() const { return m_scrollOrigin; }
</span><span class="cx">     bool scrollOriginChanged() const { return m_scrollOriginChanged; }
</span><span class="lines">@@ -297,15 +293,15 @@
</span><span class="cx">     bool isPinnedVerticallyInDirection(int verticalScrollDelta) const;
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-    virtual TiledBacking* tiledBacking() const { return nullptr; }
</del><ins>+    virtual TiledBacking* tiledBacking() const { return 0; }
</ins><span class="cx"> 
</span><span class="cx">     // True if scrolling happens by moving compositing layers.
</span><span class="cx">     virtual bool usesCompositedScrolling() const { return false; }
</span><span class="cx">     // True if the contents can be scrolled asynchronously (i.e. by a ScrollingCoordinator).
</span><span class="cx">     virtual bool usesAsyncScrolling() const { return false; }
</span><span class="cx"> 
</span><del>-    virtual GraphicsLayer* layerForHorizontalScrollbar() const { return nullptr; }
-    virtual GraphicsLayer* layerForVerticalScrollbar() const { return nullptr; }
</del><ins>+    virtual GraphicsLayer* layerForHorizontalScrollbar() const { return 0; }
+    virtual GraphicsLayer* layerForVerticalScrollbar() const { return 0; }
</ins><span class="cx"> 
</span><span class="cx">     bool hasLayerForHorizontalScrollbar() const;
</span><span class="cx">     bool hasLayerForVerticalScrollbar() const;
</span><span class="lines">@@ -318,9 +314,6 @@
</span><span class="cx"> 
</span><span class="cx">     bool verticalScrollbarIsOnLeft() const;
</span><span class="cx">     static bool systemLanguageIsRTL();
</span><del>-#if PLATFORM(COCOA)
-    void setScrollbarLayoutDirection(NSScrollerImp *) const;
-#endif
</del><span class="cx"> 
</span><span class="cx"> protected:
</span><span class="cx">     WEBCORE_EXPORT ScrollableArea();
</span><span class="lines">@@ -334,10 +327,10 @@
</span><span class="cx">     virtual void invalidateScrollCornerRect(const IntRect&amp;) = 0;
</span><span class="cx"> 
</span><span class="cx">     friend class ScrollingCoordinator;
</span><del>-    virtual GraphicsLayer* layerForScrolling() const { return nullptr; }
-    virtual GraphicsLayer* layerForScrollCorner() const { return nullptr; }
</del><ins>+    virtual GraphicsLayer* layerForScrolling() const { return 0; }
+    virtual GraphicsLayer* layerForScrollCorner() const { return 0; }
</ins><span class="cx"> #if ENABLE(RUBBER_BANDING)
</span><del>-    virtual GraphicsLayer* layerForOverhangAreas() const { return nullptr; }
</del><ins>+    virtual GraphicsLayer* layerForOverhangAreas() const { return 0; }
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     bool hasLayerForScrollCorner() const;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacScrollAnimatorMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -1300,7 +1300,6 @@
</span><span class="cx"> 
</span><span class="cx">         NSScrollerImp *oldVerticalPainter = [m_scrollerImpPair verticalScrollerImp];
</span><span class="cx">         NSScrollerImp *newVerticalPainter = [NSScrollerImp scrollerImpWithStyle:newStyle controlSize:(NSControlSize)verticalScrollbar-&gt;controlSize() horizontal:NO replacingScrollerImp:oldVerticalPainter];
</span><del>-        m_scrollableArea.setScrollbarLayoutDirection(newVerticalPainter);
</del><span class="cx"> 
</span><span class="cx">         [m_scrollerImpPair setVerticalScrollerImp:newVerticalPainter];
</span><span class="cx">         macTheme-&gt;setNewPainterForScrollbar(*verticalScrollbar, newVerticalPainter);
</span><span class="lines">@@ -1317,7 +1316,6 @@
</span><span class="cx"> 
</span><span class="cx">         NSScrollerImp *oldHorizontalPainter = [m_scrollerImpPair horizontalScrollerImp];
</span><span class="cx">         NSScrollerImp *newHorizontalPainter = [NSScrollerImp scrollerImpWithStyle:newStyle controlSize:(NSControlSize)horizontalScrollbar-&gt;controlSize() horizontal:YES replacingScrollerImp:oldHorizontalPainter];
</span><del>-        m_scrollableArea.setScrollbarLayoutDirection(newHorizontalPainter);
</del><span class="cx"> 
</span><span class="cx">         [m_scrollerImpPair setHorizontalScrollerImp:newHorizontalPainter];
</span><span class="cx">         macTheme-&gt;setNewPainterForScrollbar(*horizontalScrollbar, newHorizontalPainter);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacScrollableAreaMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/ScrollableAreaMac.mm (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/ScrollableAreaMac.mm        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/platform/mac/ScrollableAreaMac.mm        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -54,13 +54,4 @@
</span><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void ScrollableArea::setScrollbarLayoutDirection(NSScrollerImp *scroller) const
-{
-#if PLATFORM(MAC) &amp;&amp; __MAC_OS_X_VERSION_MIN_REQUIRED &gt;= 101200
-    scroller.userInterfaceLayoutDirection = verticalScrollbarIsOnLeft() ? NSUserInterfaceLayoutDirectionRightToLeft : NSUserInterfaceLayoutDirectionLeftToRight;
-#else
-    UNUSED_PARAM(scroller);
-#endif
</del><span class="cx"> }
</span><del>-
-}
</del></span></pre></div>
<a id="trunkSourceWebCoreplatformmacScrollbarThemeMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/ScrollbarThemeMac.mm (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/ScrollbarThemeMac.mm        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/platform/mac/ScrollbarThemeMac.mm        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -160,7 +160,6 @@
</span><span class="cx"> 
</span><span class="cx">     bool isHorizontal = scrollbar.orientation() == HorizontalScrollbar;
</span><span class="cx">     NSScrollerImp *scrollerImp = [NSScrollerImp scrollerImpWithStyle:recommendedScrollerStyle() controlSize:scrollbarControlSizeToNSControlSize(scrollbar.controlSize()) horizontal:isHorizontal replacingScrollerImp:nil];
</span><del>-    scrollbar.scrollableArea().setScrollbarLayoutDirection(scrollerImp);
</del><span class="cx">     scrollbarMap()-&gt;add(&amp;scrollbar, scrollerImp);
</span><span class="cx">     updateEnabledState(scrollbar);
</span><span class="cx">     updateScrollbarOverlayStyle(scrollbar);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformspimacNSScrollerImpSPIh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/spi/mac/NSScrollerImpSPI.h (198816 => 198817)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/spi/mac/NSScrollerImpSPI.h        2016-03-30 00:40:28 UTC (rev 198816)
+++ trunk/Source/WebCore/platform/spi/mac/NSScrollerImpSPI.h        2016-03-30 01:24:50 UTC (rev 198817)
</span><span class="lines">@@ -79,7 +79,6 @@
</span><span class="cx"> @property(readonly) CGFloat knobMinLength;
</span><span class="cx"> @property(readonly) CGFloat knobOverlapEndInset;
</span><span class="cx"> @property(readonly) CGFloat trackOverlapEndInset;
</span><del>-@property NSUserInterfaceLayoutDirection userInterfaceLayoutDirection;
</del><span class="cx"> - (NSRect)rectForPart:(NSScrollerPart)partCode;
</span><span class="cx"> - (void)drawKnobSlotInRect:(NSRect)slotRect highlight:(BOOL)flag alpha:(CGFloat)alpha;
</span><span class="cx"> - (void)drawKnobSlotInRect:(NSRect)slotRect highlight:(BOOL)flag;
</span></span></pre>
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