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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/183179">183179</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2015-04-23 01:12:30 -0700 (Thu, 23 Apr 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[WK2] WebDiagnosticLoggingClient is leaking
https://bugs.webkit.org/show_bug.cgi?id=144089
&lt;rdar://problem/19706214&gt;

Reviewed by Darin Adler.

WebDiagnosticLoggingClient is leaking. It is constructed inside WebPage
constructor but there is no code destroying it.

This patch adds a new xxxDestroyed() virtual function to
DiagnosticLoggingClient and that is overriden in
WebDiagnosticLoggingClient to call &quot;delete this&quot;. This is the same
pattern as for other WK2 clients (e.g. WebFrameLoaderClient,
WebProgressTrackerClient).

Source/WebCore:

* loader/EmptyClients.h:
* page/DiagnosticLoggingClient.h:
* page/MainFrame.cpp:
(WebCore::MainFrame::~MainFrame):

Source/WebKit2:

* WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp:
(WebKit::WebDiagnosticLoggingClient::mainFrameDestroyed):
* WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreloaderEmptyClientsh">trunk/Source/WebCore/loader/EmptyClients.h</a></li>
<li><a href="#trunkSourceWebCorepageDiagnosticLoggingClienth">trunk/Source/WebCore/page/DiagnosticLoggingClient.h</a></li>
<li><a href="#trunkSourceWebCorepageMainFramecpp">trunk/Source/WebCore/page/MainFrame.cpp</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebDiagnosticLoggingClientcpp">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebDiagnosticLoggingClienth">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebCore/ChangeLog        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2015-04-23  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        [WK2] WebDiagnosticLoggingClient is leaking
+        https://bugs.webkit.org/show_bug.cgi?id=144089
+        &lt;rdar://problem/19706214&gt;
+
+        Reviewed by Darin Adler.
+
+        WebDiagnosticLoggingClient is leaking. It is constructed inside WebPage
+        constructor but there is no code destroying it.
+
+        This patch adds a new xxxDestroyed() virtual function to
+        DiagnosticLoggingClient and that is overriden in
+        WebDiagnosticLoggingClient to call &quot;delete this&quot;. This is the same
+        pattern as for other WK2 clients (e.g. WebFrameLoaderClient,
+        WebProgressTrackerClient).
+
+        * loader/EmptyClients.h:
+        * page/DiagnosticLoggingClient.h:
+        * page/MainFrame.cpp:
+        (WebCore::MainFrame::~MainFrame):
+
</ins><span class="cx"> 2015-04-22  Antti Koivisto  &lt;antti@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         CrashTracer: WebProcess at com.apple.WebCore: WebCore::toScriptElementIfPossible + 4
</span></span></pre></div>
<a id="trunkSourceWebCoreloaderEmptyClientsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/loader/EmptyClients.h (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/loader/EmptyClients.h        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebCore/loader/EmptyClients.h        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -634,6 +634,8 @@
</span><span class="cx">     virtual void logDiagnosticMessage(const String&amp;, const String&amp;, ShouldSample) override { }
</span><span class="cx">     virtual void logDiagnosticMessageWithResult(const String&amp;, const String&amp;, DiagnosticLoggingResultType, ShouldSample) override { }
</span><span class="cx">     virtual void logDiagnosticMessageWithValue(const String&amp;, const String&amp;, const String&amp;, ShouldSample) override { }
</span><ins>+
+    virtual void mainFrameDestroyed() override { }
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> void fillWithEmptyClients(PageConfiguration&amp;);
</span></span></pre></div>
<a id="trunkSourceWebCorepageDiagnosticLoggingClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DiagnosticLoggingClient.h (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DiagnosticLoggingClient.h        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebCore/page/DiagnosticLoggingClient.h        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -39,6 +39,8 @@
</span><span class="cx">     virtual void logDiagnosticMessageWithResult(const String&amp; message, const String&amp; description, DiagnosticLoggingResultType, ShouldSample) = 0;
</span><span class="cx">     virtual void logDiagnosticMessageWithValue(const String&amp; message, const String&amp; description, const String&amp; value, ShouldSample) = 0;
</span><span class="cx"> 
</span><ins>+    virtual void mainFrameDestroyed() = 0;
+
</ins><span class="cx"> protected:
</span><span class="cx">     virtual ~DiagnosticLoggingClient() { }
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCorepageMainFramecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/MainFrame.cpp (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/MainFrame.cpp        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebCore/page/MainFrame.cpp        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -58,6 +58,8 @@
</span><span class="cx"> 
</span><span class="cx"> MainFrame::~MainFrame()
</span><span class="cx"> {
</span><ins>+    if (m_diagnosticLoggingClient)
+        m_diagnosticLoggingClient-&gt;mainFrameDestroyed();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> RefPtr&lt;MainFrame&gt; MainFrame::create(Page&amp; page, PageConfiguration&amp; configuration)
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebKit2/ChangeLog        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2015-04-23  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        [WK2] WebDiagnosticLoggingClient is leaking
+        https://bugs.webkit.org/show_bug.cgi?id=144089
+        &lt;rdar://problem/19706214&gt;
+
+        Reviewed by Darin Adler.
+
+        WebDiagnosticLoggingClient is leaking. It is constructed inside WebPage
+        constructor but there is no code destroying it.
+
+        This patch adds a new xxxDestroyed() virtual function to
+        DiagnosticLoggingClient and that is overriden in
+        WebDiagnosticLoggingClient to call &quot;delete this&quot;. This is the same
+        pattern as for other WK2 clients (e.g. WebFrameLoaderClient,
+        WebProgressTrackerClient).
+
+        * WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp:
+        (WebKit::WebDiagnosticLoggingClient::mainFrameDestroyed):
+        * WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h:
+
</ins><span class="cx"> 2015-04-23  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [UNIX] Simplify the file descriptor handling in SharedMemory
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebDiagnosticLoggingClientcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.cpp        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -71,4 +71,9 @@
</span><span class="cx">     m_page.send(Messages::WebPageProxy::LogDiagnosticMessageWithValue(message, description, value, shouldSample == WebCore::ShouldSample::Yes));
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebDiagnosticLoggingClient::mainFrameDestroyed()
+{
+    delete this;
+}
+
</ins><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebDiagnosticLoggingClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h (183178 => 183179)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h        2015-04-23 07:57:57 UTC (rev 183178)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebDiagnosticLoggingClient.h        2015-04-23 08:12:30 UTC (rev 183179)
</span><span class="lines">@@ -43,6 +43,8 @@
</span><span class="cx">     virtual void logDiagnosticMessageWithResult(const String&amp; message, const String&amp; description, WebCore::DiagnosticLoggingResultType, WebCore::ShouldSample) override;
</span><span class="cx">     virtual void logDiagnosticMessageWithValue(const String&amp; message, const String&amp; description, const String&amp; value, WebCore::ShouldSample) override;
</span><span class="cx"> 
</span><ins>+    virtual void mainFrameDestroyed() override;
+
</ins><span class="cx">     WebPage&amp; m_page;
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre>
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