Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index 101b090aa71a814baec1a96600a3fde1fd87c080..c53d2bb404d632c9bce3c6f9672a7e3557632520 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -420,7 +420,7 @@ class CONTENT_EXPORT RenderViewHostImpl
   // Checks that the given renderer can request |url|, if not it sets it to
   // about:blank.
   // empty_allowed must be set to false for navigations for security reasons.
-  static void FilterURL(ChildProcessSecurityPolicyImpl* policy,
+  static void FilterURL(content::ChildProcessSecurityPolicy* policy,
                         int renderer_id,
                         bool empty_allowed,
                         GURL* url);