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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/182172">182172</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2015-03-30 20:02:41 -0700 (Mon, 30 Mar 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>WebBackForwardList doesn't need to manually clear the snapshot of an entry when removing it.
&lt;https://webkit.org/b/143231&gt;

Reviewed by Tim Horton.

Now that we don't keep WebBackForwardListItem objects alive forever, it's not necessary
to clear the snapshot when removing them from the WebBackForwardList, since the entire
object will be deleted shortly after that anyway.

* UIProcess/WebBackForwardList.cpp:
(WebKit::WebBackForwardList::didRemoveItem):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebBackForwardListcpp">trunk/Source/WebKit2/UIProcess/WebBackForwardList.cpp</a></li>
</ul>

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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (182171 => 182172)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-03-31 01:59:31 UTC (rev 182171)
+++ trunk/Source/WebKit2/ChangeLog        2015-03-31 03:02:41 UTC (rev 182172)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2015-03-30  Andreas Kling  &lt;akling@apple.com&gt;
+
+        WebBackForwardList doesn't need to manually clear the snapshot of an entry when removing it.
+        &lt;https://webkit.org/b/143231&gt;
+
+        Reviewed by Tim Horton.
+
+        Now that we don't keep WebBackForwardListItem objects alive forever, it's not necessary
+        to clear the snapshot when removing them from the WebBackForwardList, since the entire
+        object will be deleted shortly after that anyway.
+
+        * UIProcess/WebBackForwardList.cpp:
+        (WebKit::WebBackForwardList::didRemoveItem):
+
</ins><span class="cx"> 2015-03-30  Enrica Casucci  &lt;enrica@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS] WebContent crashing at WebCore: WebCore::Range::collectSelectionRects.
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebBackForwardListcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebBackForwardList.cpp (182171 => 182172)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebBackForwardList.cpp        2015-03-31 01:59:31 UTC (rev 182171)
+++ trunk/Source/WebKit2/UIProcess/WebBackForwardList.cpp        2015-03-31 03:02:41 UTC (rev 182172)
</span><span class="lines">@@ -437,10 +437,6 @@
</span><span class="cx"> void WebBackForwardList::didRemoveItem(WebBackForwardListItem&amp; backForwardListItem)
</span><span class="cx"> {
</span><span class="cx">     m_page-&gt;backForwardRemovedItem(backForwardListItem.itemID());
</span><del>-
-#if PLATFORM(COCOA)
-    backForwardListItem.setSnapshot(nullptr);
-#endif
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre>
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