Re-land "Pass RenderFrameHost to WebContentObservers' message handlers"

content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h

Index: content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h
diff --git a/content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h b/content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h
index 3ada0d08cbd4f18fa73b5939b68379a2cf525356..8d03576be578d956f73b91ad7443cc5338d86f02 100644
--- a/content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h
+++ b/content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h
@@ -28,7 +28,8 @@ class JavaBridgeDispatcherHostManager
     : public WebContentsObserver,
       public base::SupportsWeakPtr<JavaBridgeDispatcherHostManager> {
  public:
-  explicit JavaBridgeDispatcherHostManager(WebContents* web_contents);
+  JavaBridgeDispatcherHostManager(WebContents* web_contents,
+                                  jobject retained_object_set);
   virtual ~JavaBridgeDispatcherHostManager();
 
   // These methods add or remove the object to each JavaBridgeDispatcherHost.
@@ -37,21 +38,12 @@ class JavaBridgeDispatcherHostManager
   void AddNamedObject(const base::string16& name, NPObject* object);
   void RemoveNamedObject(const base::string16& name);
 
-  void OnGetChannelHandle(RenderFrameHost* render_frame_host,
-                          IPC::Message* reply_msg);
-
-  // Every time a JavaBoundObject backed by a real Java object is
-  // created/destroyed, we insert/remove a strong ref to that Java object into
-  // this set so that it doesn't get garbage collected while it's still
-  // potentially in use. Although the set is managed native side, it's owned
-  // and defined in Java so that pushing refs into it does not create new GC
-  // roots that would prevent ContentViewCore from being garbage collected.
-  void SetRetainedObjectSet(const JavaObjectWeakGlobalRef& retained_object_set);
-
   // WebContentsObserver overrides
   virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE;
   virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE;
   virtual void DocumentAvailableInMainFrame() OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 RenderFrameHost* render_frame_host) OVERRIDE;
 
   void JavaBoundObjectCreated(const base::android::JavaRef<jobject>& object);
   void JavaBoundObjectDestroyed(const base::android::JavaRef<jobject>& object);
@@ -67,6 +59,12 @@ class JavaBridgeDispatcherHostManager
   InstanceMap instances_;
   typedef std::map<base::string16, NPObject*> ObjectMap;
   ObjectMap objects_;
+  // Every time a JavaBoundObject backed by a real Java object is
+  // created/destroyed, we insert/remove a strong ref to that Java object into
+  // this set so that it doesn't get garbage collected while it's still
+  // potentially in use. Although the set is managed native side, it's owned
+  // and defined in Java so that pushing refs into it does not create new GC
+  // roots that would prevent ContentViewCore from being garbage collected.
   JavaObjectWeakGlobalRef retained_object_set_;
   bool allow_object_contents_inspection_;