Refactor the Android port to allow access to the chrome layer.

content/public/browser/web_contents_delegate.cc

 // 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.
 
 #include "content/public/browser/web_contents_delegate.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 117 matching lines @@
 
 bool WebContentsDelegate::ShouldCreateWebContents(
     WebContents* web_contents,
     int route_id,
     WindowContainerType window_container_type,
     const string16& frame_name,
     const GURL& target_url) {
   return true;
 }
 
+#if defined(OS_ANDROID)
+bool WebContentsDelegate::ShouldOverrideLoading(const GURL& url) {
+  return false;
+}
+#endif
+
 JavaScriptDialogCreator* WebContentsDelegate::GetJavaScriptDialogCreator() {
   return NULL;
 }
 
 bool WebContentsDelegate::IsFullscreenForTabOrPending(
     const WebContents* web_contents) const {
   return false;
 }
 
 content::ColorChooser* WebContentsDelegate::OpenColorChooser(
@@ skipping 23 matching lines @@
   DCHECK(attached_contents_.find(web_contents) == attached_contents_.end());
   attached_contents_.insert(web_contents);
 }
 
 void WebContentsDelegate::Detach(WebContents* web_contents) {
   DCHECK(attached_contents_.find(web_contents) != attached_contents_.end());
   attached_contents_.erase(web_contents);
 }
 
 }  // namespace content