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<title>[197157] trunk/Source/WebKit2</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/197157">197157</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2016-02-25 21:01:25 -0800 (Thu, 25 Feb 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>[iOS] Enable PageCache backing store clearing optimization for WebKit2.
<https://webkit.org/b/154712>
Reviewed by Anders Carlsson.
We had an optimization for iOS where we'd tear down the compositing tree for
pages in the page cache, to save memory, but we were only enabling it when
instantiating a WebKit1 web view.
This patch enables the optimization for WebKit2 as well.
* WebProcess/WebProcess.cpp:
(WebKit::WebProcess::WebProcess):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebProcesscpp">trunk/Source/WebKit2/WebProcess/WebProcess.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 (197156 => 197157)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2016-02-26 04:36:37 UTC (rev 197156)
+++ trunk/Source/WebKit2/ChangeLog 2016-02-26 05:01:25 UTC (rev 197157)
</span><span class="lines">@@ -1,3 +1,19 @@
</span><ins>+2016-02-25 Andreas Kling <akling@apple.com>
+
+ [iOS] Enable PageCache backing store clearing optimization for WebKit2.
+ <https://webkit.org/b/154712>
+
+ Reviewed by Anders Carlsson.
+
+ We had an optimization for iOS where we'd tear down the compositing tree for
+ pages in the page cache, to save memory, but we were only enabling it when
+ instantiating a WebKit1 web view.
+
+ This patch enables the optimization for WebKit2 as well.
+
+ * WebProcess/WebProcess.cpp:
+ (WebKit::WebProcess::WebProcess):
+
</ins><span class="cx"> 2016-02-25 Ada Chan <adachan@apple.com>
</span><span class="cx">
</span><span class="cx"> Update the definition of ENABLE_VIDEO_PRESENTATION_MODE for Mac platform
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebProcess.cpp (197156 => 197157)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebProcess.cpp 2016-02-26 04:36:37 UTC (rev 197156)
+++ trunk/Source/WebKit2/WebProcess/WebProcess.cpp 2016-02-26 05:01:25 UTC (rev 197157)
</span><span class="lines">@@ -194,6 +194,10 @@
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE)
</span><span class="cx"> RuntimeEnabledFeatures::sharedFeatures().setWebkitIndexedDBEnabled(true);
</span><span class="cx"> #endif
</span><ins>+
+#if PLATFORM(IOS)
+ PageCache::singleton().setShouldClearBackingStores(true);
+#endif
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> WebProcess::~WebProcess()
</span></span></pre>
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