Oilpan: move WebPluginLoadObserver to the heap.

third_party/WebKit/Source/web/WebPluginLoadObserver.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebPluginLoadObserver_h
 #define WebPluginLoadObserver_h
 
+#include "platform/heap/Handle.h"
 #include "public/platform/WebURL.h"
 
 namespace blink {
 
 class WebPluginContainerImpl;
 struct WebURLError;
 
-class WebPluginLoadObserver {
+class WebPluginLoadObserver final : public NoBaseWillBeGarbageCollectedFinalized<WebPluginLoadObserver> {
 public:
-    WebPluginLoadObserver(WebPluginContainerImpl* pluginContainer,
-                          const WebURL& notifyURL, void* notifyData)
-        : m_pluginContainer(pluginContainer)
-        , m_notifyURL(notifyURL)
-        , m_notifyData(notifyData)
+    static PassOwnPtrWillBeRawPtr<WebPluginLoadObserver> create(WebPluginContainerImpl* pluginContainer, const WebURL& notifyURL, void* notifyData)
     {
+        return adoptPtrWillBeNoop(new WebPluginLoadObserver(pluginContainer, notifyURL, notifyData));
     }
-
     ~WebPluginLoadObserver();
+    void dispose();
 
     const WebURL& url() const { return m_notifyURL; }
 
     void clearPluginContainer() { m_pluginContainer = 0; }
     void didFinishLoading();
     void didFailLoading(const WebURLError&);
 
+    DECLARE_TRACE();
+
 private:
-    WebPluginContainerImpl* m_pluginContainer;
+    WebPluginLoadObserver(WebPluginContainerImpl* pluginContainer, const WebURL& notifyURL, void* notifyData)
+        : m_pluginContainer(pluginContainer)
+        , m_notifyURL(notifyURL)
+        , m_notifyData(notifyData)
+    {
+    }
+
+    RawPtrWillBeWeakMember<WebPluginContainerImpl> m_pluginContainer;
     WebURL m_notifyURL;
     void* m_notifyData;
 };
 
 } // namespace blink
 
 #endif