Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/public/browser/render_view_host_delegate.h

Index: content/public/browser/render_view_host_delegate.h
diff --git a/content/public/browser/render_view_host_delegate.h b/content/public/browser/render_view_host_delegate.h
index 4d437604a28e7dc5d459bdd677de6862c4c3856d..f0cc4212d2551d15b00a706b24dfa62b2ae22658 100644
--- a/content/public/browser/render_view_host_delegate.h
+++ b/content/public/browser/render_view_host_delegate.h
@@ -327,6 +327,13 @@ class CONTENT_EXPORT RenderViewHostDelegate : public IPC::Channel::Listener {
   // The page wants to close the active view in this tab.
   virtual void RouteCloseEvent(RenderViewHost* rvh) {}
 
+  // The page is asking whether to ignore the navigation.
+  virtual bool ShouldIgnoreNavigation(
+      RenderViewHost* rvh,
+      const GURL& url,
+      const content::Referrer& referrer,
+      bool is_content_initiated);

[joth, 2012/05/11 15:34:13]

I wonder if it would be preferable to have this under an ifdef.

[mkosiba (inactive), 2012/05/15 14:20:23]

As the change is now the new throttle is built (and available) on all platforms.
The only way in which Android is special is that the throttle is actually added
to top level requests.

+
   // A javascript message, confirmation or prompt should be shown.
   virtual void RunJavaScriptMessage(RenderViewHost* rvh,
                                     const string16& message,