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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/184372">184372</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2015-05-14 22:07:22 -0700 (Thu, 14 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Have DOMWindow::createWindow() take references to frames
https://bugs.webkit.org/show_bug.cgi?id=145037

Reviewed by Gyuyoung Kim.

Have DOMWindow::createWindow() take references to frames instead of
pointers as they are expected to be non-null. Also return a RefPtr
instead of a PassRefPtr.

* inspector/InspectorFrontendClientLocal.cpp:
(WebCore::InspectorFrontendClientLocal::openInNewTab):
* loader/FrameLoader.cpp:
(WebCore::createWindow):
* loader/FrameLoader.h:
* page/DOMWindow.cpp:
(WebCore::DOMWindow::createWindow):
(WebCore::DOMWindow::open):
(WebCore::DOMWindow::showModalDialog):
* page/DOMWindow.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorFrontendClientLocalcpp">trunk/Source/WebCore/inspector/InspectorFrontendClientLocal.cpp</a></li>
<li><a href="#trunkSourceWebCoreloaderFrameLoadercpp">trunk/Source/WebCore/loader/FrameLoader.cpp</a></li>
<li><a href="#trunkSourceWebCoreloaderFrameLoaderh">trunk/Source/WebCore/loader/FrameLoader.h</a></li>
<li><a href="#trunkSourceWebCorepageDOMWindowcpp">trunk/Source/WebCore/page/DOMWindow.cpp</a></li>
<li><a href="#trunkSourceWebCorepageDOMWindowh">trunk/Source/WebCore/page/DOMWindow.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/ChangeLog        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2015-05-14  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Have DOMWindow::createWindow() take references to frames
+        https://bugs.webkit.org/show_bug.cgi?id=145037
+
+        Reviewed by Gyuyoung Kim.
+
+        Have DOMWindow::createWindow() take references to frames instead of
+        pointers as they are expected to be non-null. Also return a RefPtr
+        instead of a PassRefPtr.
+
+        * inspector/InspectorFrontendClientLocal.cpp:
+        (WebCore::InspectorFrontendClientLocal::openInNewTab):
+        * loader/FrameLoader.cpp:
+        (WebCore::createWindow):
+        * loader/FrameLoader.h:
+        * page/DOMWindow.cpp:
+        (WebCore::DOMWindow::createWindow):
+        (WebCore::DOMWindow::open):
+        (WebCore::DOMWindow::showModalDialog):
+        * page/DOMWindow.h:
+
</ins><span class="cx"> 2015-05-14  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         REGRESSION (r183794): Garbage tiles when body background switches to fixed
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorFrontendClientLocalcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorFrontendClientLocal.cpp (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorFrontendClientLocal.cpp        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/inspector/InspectorFrontendClientLocal.cpp        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -214,7 +214,7 @@
</span><span class="cx"> 
</span><span class="cx">     bool created;
</span><span class="cx">     WindowFeatures windowFeatures;
</span><del>-    RefPtr&lt;Frame&gt; frame = WebCore::createWindow(mainFrame, &amp;mainFrame, request, windowFeatures, created);
</del><ins>+    RefPtr&lt;Frame&gt; frame = WebCore::createWindow(mainFrame, mainFrame, request, windowFeatures, created);
</ins><span class="cx">     if (!frame)
</span><span class="cx">         return;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreloaderFrameLoadercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/loader/FrameLoader.cpp (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/loader/FrameLoader.cpp        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/loader/FrameLoader.cpp        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -3415,19 +3415,19 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;Frame&gt; createWindow(Frame&amp; openerFrame, Frame* lookupFrame, const FrameLoadRequest&amp; request, const WindowFeatures&amp; features, bool&amp; created)
</del><ins>+RefPtr&lt;Frame&gt; createWindow(Frame&amp; openerFrame, Frame&amp; lookupFrame, const FrameLoadRequest&amp; request, const WindowFeatures&amp; features, bool&amp; created)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(!features.dialog || request.frameName().isEmpty());
</span><span class="cx"> 
</span><span class="cx">     created = false;
</span><span class="cx"> 
</span><span class="cx">     if (!request.frameName().isEmpty() &amp;&amp; request.frameName() != &quot;_blank&quot;) {
</span><del>-        if (RefPtr&lt;Frame&gt; frame = lookupFrame-&gt;loader().findFrameForNavigation(request.frameName(), openerFrame.document())) {
</del><ins>+        if (RefPtr&lt;Frame&gt; frame = lookupFrame.loader().findFrameForNavigation(request.frameName(), openerFrame.document())) {
</ins><span class="cx">             if (request.frameName() != &quot;_self&quot;) {
</span><span class="cx">                 if (Page* page = frame-&gt;page())
</span><span class="cx">                     page-&gt;chrome().focus();
</span><span class="cx">             }
</span><del>-            return frame.release();
</del><ins>+            return WTF::move(frame);
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="lines">@@ -3518,7 +3518,7 @@
</span><span class="cx">     page-&gt;chrome().show();
</span><span class="cx"> 
</span><span class="cx">     created = true;
</span><del>-    return frame.release();
</del><ins>+    return WTF::move(frame);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoreloaderFrameLoaderh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/loader/FrameLoader.h (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/loader/FrameLoader.h        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/loader/FrameLoader.h        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -458,7 +458,7 @@
</span><span class="cx"> //
</span><span class="cx"> // FIXME: Consider making this function part of an appropriate class (not FrameLoader)
</span><span class="cx"> // and moving it to a more appropriate location.
</span><del>-PassRefPtr&lt;Frame&gt; createWindow(Frame&amp; openerFrame, Frame* lookupFrame, const FrameLoadRequest&amp;, const WindowFeatures&amp;, bool&amp; created);
</del><ins>+RefPtr&lt;Frame&gt; createWindow(Frame&amp; openerFrame, Frame&amp; lookupFrame, const FrameLoadRequest&amp;, const WindowFeatures&amp;, bool&amp; created);
</ins><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorepageDOMWindowcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DOMWindow.cpp (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DOMWindow.cpp        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/page/DOMWindow.cpp        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -2072,13 +2072,13 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;Frame&gt; DOMWindow::createWindow(const String&amp; urlString, const AtomicString&amp; frameName, const WindowFeatures&amp; windowFeatures, DOMWindow&amp; activeWindow, Frame* firstFrame, Frame* openerFrame, std::function&lt;void (DOMWindow&amp;)&gt; prepareDialogFunction)
</del><ins>+RefPtr&lt;Frame&gt; DOMWindow::createWindow(const String&amp; urlString, const AtomicString&amp; frameName, const WindowFeatures&amp; windowFeatures, DOMWindow&amp; activeWindow, Frame&amp; firstFrame, Frame&amp; openerFrame, std::function&lt;void (DOMWindow&amp;)&gt; prepareDialogFunction)
</ins><span class="cx"> {
</span><span class="cx">     Frame* activeFrame = activeWindow.frame();
</span><span class="cx">     if (!activeFrame)
</span><span class="cx">         return nullptr;
</span><span class="cx"> 
</span><del>-    URL completedURL = urlString.isEmpty() ? URL(ParsedURLString, emptyString()) : firstFrame-&gt;document()-&gt;completeURL(urlString);
</del><ins>+    URL completedURL = urlString.isEmpty() ? URL(ParsedURLString, emptyString()) : firstFrame.document()-&gt;completeURL(urlString);
</ins><span class="cx">     if (!completedURL.isEmpty() &amp;&amp; !completedURL.isValid()) {
</span><span class="cx">         // Don't expose client code to invalid URLs.
</span><span class="cx">         activeWindow.printErrorMessage(&quot;Unable to open a window with invalid URL '&quot; + completedURL.string() + &quot;'.\n&quot;);
</span><span class="lines">@@ -2086,10 +2086,10 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     // For whatever reason, Firefox uses the first frame to determine the outgoingReferrer. We replicate that behavior here.
</span><del>-    String referrer = SecurityPolicy::generateReferrerHeader(firstFrame-&gt;document()-&gt;referrerPolicy(), completedURL, firstFrame-&gt;loader().outgoingReferrer());
</del><ins>+    String referrer = SecurityPolicy::generateReferrerHeader(firstFrame.document()-&gt;referrerPolicy(), completedURL, firstFrame.loader().outgoingReferrer());
</ins><span class="cx"> 
</span><span class="cx">     ResourceRequest request(completedURL, referrer);
</span><del>-    FrameLoader::addHTTPOriginIfNeeded(request, firstFrame-&gt;loader().outgoingOrigin());
</del><ins>+    FrameLoader::addHTTPOriginIfNeeded(request, firstFrame.loader().outgoingOrigin());
</ins><span class="cx">     FrameLoadRequest frameRequest(activeWindow.document()-&gt;securityOrigin(), request, frameName, LockHistory::No, LockBackForwardList::No, MaybeSendReferrer, AllowNavigationToInvalidURL::Yes, NewFrameOpenerPolicy::Allow, ReplaceDocumentIfJavaScriptURL);
</span><span class="cx"> 
</span><span class="cx">     // We pass the opener frame for the lookupFrame in case the active frame is different from
</span><span class="lines">@@ -2099,11 +2099,11 @@
</span><span class="cx">     if (!newFrame)
</span><span class="cx">         return nullptr;
</span><span class="cx"> 
</span><del>-    newFrame-&gt;loader().setOpener(openerFrame);
</del><ins>+    newFrame-&gt;loader().setOpener(&amp;openerFrame);
</ins><span class="cx">     newFrame-&gt;page()-&gt;setOpenedByDOM();
</span><span class="cx"> 
</span><span class="cx">     if (newFrame-&gt;document()-&gt;domWindow()-&gt;isInsecureScriptAccess(activeWindow, completedURL))
</span><del>-        return newFrame.release();
</del><ins>+        return WTF::move(newFrame);
</ins><span class="cx"> 
</span><span class="cx">     if (prepareDialogFunction)
</span><span class="cx">         prepareDialogFunction(*newFrame-&gt;document()-&gt;domWindow());
</span><span class="lines">@@ -2121,7 +2121,7 @@
</span><span class="cx">     if (!newFrame-&gt;page())
</span><span class="cx">         return nullptr;
</span><span class="cx"> 
</span><del>-    return newFrame.release();
</del><ins>+    return WTF::move(newFrame);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> PassRefPtr&lt;DOMWindow&gt; DOMWindow::open(const String&amp; urlString, const AtomicString&amp; frameName, const String&amp; windowFeaturesString,
</span><span class="lines">@@ -2137,8 +2137,7 @@
</span><span class="cx">         return nullptr;
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(CONTENT_EXTENSIONS)
</span><del>-    if (firstFrame
-        &amp;&amp; firstFrame-&gt;document()
</del><ins>+    if (firstFrame-&gt;document()
</ins><span class="cx">         &amp;&amp; firstFrame-&gt;mainFrame().page()
</span><span class="cx">         &amp;&amp; firstFrame-&gt;mainFrame().page()-&gt;userContentController()
</span><span class="cx">         &amp;&amp; firstFrame-&gt;mainFrame().document()) {
</span><span class="lines">@@ -2190,7 +2189,7 @@
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     WindowFeatures windowFeatures(windowFeaturesString);
</span><del>-    RefPtr&lt;Frame&gt; result = createWindow(urlString, frameName, windowFeatures, activeWindow, firstFrame, m_frame);
</del><ins>+    RefPtr&lt;Frame&gt; result = createWindow(urlString, frameName, windowFeatures, activeWindow, *firstFrame, *m_frame);
</ins><span class="cx">     return result ? result-&gt;document()-&gt;domWindow() : nullptr;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -2215,7 +2214,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     WindowFeatures windowFeatures(dialogFeaturesString, screenAvailableRect(m_frame-&gt;view()));
</span><del>-    RefPtr&lt;Frame&gt; dialogFrame = createWindow(urlString, emptyAtom, windowFeatures, activeWindow, firstFrame, m_frame, WTF::move(prepareDialogFunction));
</del><ins>+    RefPtr&lt;Frame&gt; dialogFrame = createWindow(urlString, emptyAtom, windowFeatures, activeWindow, *firstFrame, *m_frame, WTF::move(prepareDialogFunction));
</ins><span class="cx">     if (!dialogFrame)
</span><span class="cx">         return;
</span><span class="cx">     dialogFrame-&gt;page()-&gt;chrome().runModal();
</span></span></pre></div>
<a id="trunkSourceWebCorepageDOMWindowh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DOMWindow.h (184371 => 184372)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DOMWindow.h        2015-05-15 04:43:05 UTC (rev 184371)
+++ trunk/Source/WebCore/page/DOMWindow.h        2015-05-15 05:07:22 UTC (rev 184372)
</span><span class="lines">@@ -353,7 +353,7 @@
</span><span class="cx">         virtual void refEventTarget() override { ref(); }
</span><span class="cx">         virtual void derefEventTarget() override { deref(); }
</span><span class="cx"> 
</span><del>-        static PassRefPtr&lt;Frame&gt; createWindow(const String&amp; urlString, const AtomicString&amp; frameName, const WindowFeatures&amp;, DOMWindow&amp; activeWindow, Frame* firstFrame, Frame* openerFrame, std::function&lt;void (DOMWindow&amp;)&gt; prepareDialogFunction = nullptr);
</del><ins>+        static RefPtr&lt;Frame&gt; createWindow(const String&amp; urlString, const AtomicString&amp; frameName, const WindowFeatures&amp;, DOMWindow&amp; activeWindow, Frame&amp; firstFrame, Frame&amp; openerFrame, std::function&lt;void (DOMWindow&amp;)&gt; prepareDialogFunction = nullptr);
</ins><span class="cx">         bool isInsecureScriptAccess(DOMWindow&amp; activeWindow, const String&amp; urlString);
</span><span class="cx"> 
</span><span class="cx">         void resetDOMWindowProperties();
</span></span></pre>
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