input: Make the OverscrollController less intrusive, and some code cleanup.

content/browser/renderer_host/render_widget_host_unittest.cc

Index: content/browser/renderer_host/render_widget_host_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_unittest.cc b/content/browser/renderer_host/render_widget_host_unittest.cc
index 54138de12067d879b654cd1c504fdc933cc09552..3ed9088b1411d72d4c7efe88ba6f0e6fd9e2f74c 100644
--- a/content/browser/renderer_host/render_widget_host_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_unittest.cc
@@ -172,7 +172,6 @@ class MockInputRouter : public InputRouter {
       const GestureEventWithLatencyInfo& gesture_event) const OVERRIDE {
     return true;
   }
-  virtual bool HasQueuedGestureEvents() const OVERRIDE { return true; }
 
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {