Move the content settings code out of RenderView, since it belongs in the Chrome layer.

content/renderer/render_view_observer.h

 // Copyright (c) 2011 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_RENDERER_RENDER_VIEW_OBSERVER_H_
 #define CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ipc/ipc_channel.h"
@@ skipping 46 matching lines @@
   virtual void DidCreateDataSource(WebKit::WebFrame* frame,
                                    WebKit::WebDataSource* ds) {}
   virtual void PrintPage(WebKit::WebFrame* frame) {}
   virtual void LogCrossFramePropertyAccess(
       WebKit::WebFrame* frame,
       WebKit::WebFrame* target,
       bool cross_origin,
       const WebKit::WebString& property_name,
       unsigned long long event_id) {}
   virtual void FocusedNodeChanged(const WebKit::WebNode& node) {}
+  // If any observer returns false, then the request will be denied.
+  virtual bool AllowImages(WebKit::WebFrame* frame, bool enabled_per_settings);
+  virtual bool AllowPlugins(WebKit::WebFrame* frame, bool enabled_per_settings);
+  virtual bool AllowScript(WebKit::WebFrame* frame, bool enabled_per_settings);
+  virtual void DidNotAllowPlugins(WebKit::WebFrame* frame) {}
+  virtual void DidNotAllowScript(WebKit::WebFrame* frame) {}
 
   // These match the RenderView methods.
   virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {}
 
  protected:
   explicit RenderViewObserver(RenderView* render_view);
   virtual ~RenderViewObserver();
 
   // IPC::Channel::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
@@ skipping 10 matching lines @@
   void set_render_view(RenderView* rv) { render_view_ = rv; }
 
   RenderView* render_view_;
   // The routing ID of the associated RenderView.
   int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewObserver);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_