Bundle DidOverscrollParams with the InputEventAck

content/browser/renderer_host/input/mock_input_router_client.h

Index: content/browser/renderer_host/input/mock_input_router_client.h
diff --git a/content/browser/renderer_host/input/mock_input_router_client.h b/content/browser/renderer_host/input/mock_input_router_client.h
index fdfbbc5a43c4eaa8dc639a55a43ba0dd8f4d115c..68b0c6f19647ecfd85f9be5b26e8e1d33d58a2a9 100644
--- a/content/browser/renderer_host/input/mock_input_router_client.h
+++ b/content/browser/renderer_host/input/mock_input_router_client.h
@@ -7,6 +7,7 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/input/input_router_client.h"
+#include "content/common/input/did_overscroll_params.h"
 
 namespace content {
 
@@ -27,10 +28,12 @@ class MockInputRouterClient : public InputRouterClient {
   virtual void OnHasTouchEventHandlers(bool has_handlers) OVERRIDE;
   virtual OverscrollController* GetOverscrollController() const OVERRIDE;
   virtual void DidFlush() OVERRIDE;
+  virtual void DidOverscroll(const DidOverscrollParams& params) OVERRIDE;
   virtual void SetNeedsFlush() OVERRIDE;
 
   bool GetAndResetFilterEventCalled();
   size_t GetAndResetDidFlushCount();
+  DidOverscrollParams GetAndResetOverscroll();
 
   void set_input_router(InputRouter* input_router) {
     input_router_ = input_router;
@@ -59,6 +62,8 @@ class MockInputRouterClient : public InputRouterClient {
 
   size_t did_flush_called_count_;
   bool set_needs_flush_called_;
+
+  DidOverscrollParams overscroll_;
 };
 
 }  // namespace content