Implement a ResourceThrottle for URL overriding in Chrome on Android.

content/public/browser/resource_request_info.h

Index: content/public/browser/resource_request_info.h
diff --git a/content/public/browser/resource_request_info.h b/content/public/browser/resource_request_info.h
index b6a73df1dc219a20e86a27af0268b6a316f57a1d..debb1c2c561195f60ad9570e48767dd81f1dadc8 100644
--- a/content/public/browser/resource_request_info.h
+++ b/content/public/browser/resource_request_info.h
@@ -32,7 +32,9 @@ class ResourceRequestInfo {
   CONTENT_EXPORT static void AllocateForTesting(
       net::URLRequest* request,
       ResourceType::Type resource_type,
-      ResourceContext* context);
+      ResourceContext* context,
+      int render_process_id,
+      int render_view_id);
 
   // Returns the associated RenderView for a given process. Returns false, if
   // there is no associated RenderView. This method does not rely on the
@@ -83,6 +85,10 @@ class ResourceRequestInfo {
   // is no upload, this will be 0.
   virtual uint64 GetUploadSize() const = 0;
 
+  // True if the request was initiated by a user action (like a tap to follow
+  // a link).
+  virtual bool HasUserGesture() const = 0;
+
   // Returns false if there is NOT an associated render view.
   virtual bool GetAssociatedRenderView(int* render_process_id,
                                        int* render_view_id) const = 0;