Switch ContentSettingsObserver to be a RenderFrameObserver instead of a RenderViewObserver

content/public/browser/web_contents.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 109 matching lines @@
   // can happen if you share the object.
   CONTENT_EXPORT static WebContents* CreateWithSessionStorage(
       const CreateParams& params,
       const SessionStorageNamespaceMap& session_storage_namespace_map);
 
   // Returns a WebContents that wraps the RenderViewHost, or NULL if the
   // render view host's delegate isn't a WebContents.
   CONTENT_EXPORT static WebContents* FromRenderViewHost(
       const RenderViewHost* rvh);
 
+  CONTENT_EXPORT static WebContents* FromRenderFrameHost(RenderFrameHost* rfh);
+
   virtual ~WebContents() {}
 
   // Intrinsic tab state -------------------------------------------------------
 
   // Gets/Sets the delegate.
   virtual WebContentsDelegate* GetDelegate() = 0;
   virtual void SetDelegate(WebContentsDelegate* delegate) = 0;
 
   // Gets the controller for this WebContents.
   virtual NavigationController& GetController() = 0;
@@ skipping 20 matching lines @@
   // context.
   virtual const GURL& GetLastCommittedURL() const = 0;
 
   // Return the currently active RenderProcessHost and RenderViewHost. Each of
   // these may change over time.
   virtual RenderProcessHost* GetRenderProcessHost() const = 0;
 
   // Returns the main frame for the currently active view.
   virtual RenderFrameHost* GetMainFrame() = 0;
 
+  // Calls |on_frame| for each frame in the currently active view.
+  virtual void ForEachFrame(
+      const base::Callback<void(RenderFrameHost*)>& on_frame) = 0;
+
+  // Sends the given IPC to all frames in the currently active view. This is a
+  // convenience method instead of calling ForEach.
+  virtual void SendToAllFrames(IPC::Message* message) = 0;
+
   // Gets the current RenderViewHost for this tab.
   virtual RenderViewHost* GetRenderViewHost() const = 0;
 
   typedef base::Callback<void(RenderViewHost* /* render_view_host */,
                               int /* x */,
                               int /* y */)> GetRenderViewHostCallback;
   // Gets the RenderViewHost at coordinates (|x|, |y|) for this WebContents via
   // |callback|.
   // This can be different than the current RenderViewHost if there is a
   // BrowserPlugin at the specified position.
@@ skipping 294 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_