Added RenderView.DocumentHasImages query method

content/public/browser/render_view_host.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_RENDER_VIEW_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include "base/values.h"
 #include "content/common/content_export.h"
@@ skipping 250 matching lines @@
   virtual void SyncRendererPrefs() = 0;
 
   virtual void ToggleSpeechInput() = 0;
 
   // Returns the current WebKit preferences.
   virtual webkit_glue::WebPreferences GetWebkitPreferences() = 0;
 
   // Passes a list of Webkit preferences to the renderer.
   virtual void UpdateWebkitPreferences(
       const webkit_glue::WebPreferences& prefs) = 0;
+
+  // Determine whether or not the document has any image elements. The returned
+  // int is a unique id for the request.  When the result is received from the
+  // renderer, the NOTIFICATION_DOCUMENT_HAS_IMAGES_RESPONSE notification is
+  // sent with a pair<int, bool> where the int is the unique id and the bool is
+  // the result of the call.
+  virtual int DocumentHasImages() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_