Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/browser/web_contents/web_contents_impl.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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 230 matching lines @@
   virtual void ViewFrameSource(const GURL& url,
                                const std::string& content_state) OVERRIDE;
   virtual int GetMinimumZoomPercent() const OVERRIDE;
   virtual int GetMaximumZoomPercent() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual int GetContentRestrictions() const OVERRIDE;
   virtual content::WebUI::TypeID GetWebUITypeForCurrentState() OVERRIDE;
   virtual content::WebUI* GetWebUIForCurrentState() OVERRIDE;
   virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE;
   virtual bool HasOpener() const OVERRIDE;
+  virtual bool ShouldIgnoreNavigation(const GURL& url,
+                                      const content::Referrer& referrer,
+                                      bool is_content_initiated) OVERRIDE;
   virtual void DidChooseColorInColorChooser(int color_chooser_id,
                                             SkColor color) OVERRIDE;
   virtual void DidEndColorChooser(int color_chooser_id) OVERRIDE;
 
   // Implementation of PageNavigator.
   virtual content::WebContents* OpenURL(
       const content::OpenURLParams& params) OVERRIDE;
 
   // RenderViewHostDelegate ----------------------------------------------------
 
@@ skipping 528 matching lines @@
   content::ColorChooser* color_chooser_;
 
   // This must be at the end, or else we might get notifications and use other
   // member variables that are gone.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_