AppWindowContents: Clean up unnecessary SuspendRenderViewHost.

apps/app_window_contents.h

Index: apps/app_window_contents.h
diff --git a/apps/app_window_contents.h b/apps/app_window_contents.h
index a8e0d327e75f273dd97905bc40a3c99e6f1952c2..dc3ec8eae01741b4b699636f2273b1e5e3c85a5e 100644
--- a/apps/app_window_contents.h
+++ b/apps/app_window_contents.h
@@ -5,12 +5,8 @@
 #ifndef APPS_APP_WINDOW_CONTENTS_H_
 #define APPS_APP_WINDOW_CONTENTS_H_
 
-#include <vector>
-
 #include "apps/app_window.h"
-#include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "content/public/browser/notification_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "extensions/browser/extension_function_dispatcher.h"
 
@@ -31,7 +27,6 @@ namespace apps {
 // messages to the extensions system.
 class AppWindowContentsImpl
     : public AppWindowContents,
-      public content::NotificationObserver,
       public content::WebContentsObserver,
       public extensions::ExtensionFunctionDispatcher::Delegate {
  public:
@@ -41,18 +36,13 @@ class AppWindowContentsImpl
   // AppWindowContents
   virtual void Initialize(content::BrowserContext* context,
                           const GURL& url) OVERRIDE;
-  virtual void LoadContents(int32 creator_process_id) OVERRIDE;
+  virtual void LoadContents() OVERRIDE;
   virtual void NativeWindowChanged(NativeAppWindow* native_app_window) OVERRIDE;
   virtual void NativeWindowClosed() OVERRIDE;
   virtual void DispatchWindowShownForTests() const OVERRIDE;
   virtual content::WebContents* GetWebContents() const OVERRIDE;
 
  private:
-  // content::NotificationObserver
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
   // content::WebContentsObserver
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
@@ -64,11 +54,9 @@ class AppWindowContentsImpl
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
   void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions);
-  void SuspendRenderViewHost(content::RenderViewHost* rvh);
 
   AppWindow* host_;  // This class is owned by |host_|
   GURL url_;
-  content::NotificationRegistrar registrar_;
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<extensions::ExtensionFunctionDispatcher>
       extension_function_dispatcher_;