Remove WebContentsObserver::DidGetUserGesture.

content/browser/renderer_host/render_widget_host_delegate.h

Index: content/browser/renderer_host/render_widget_host_delegate.h
diff --git a/content/browser/renderer_host/render_widget_host_delegate.h b/content/browser/renderer_host/render_widget_host_delegate.h
index 4c0fea95f6e5c73204fab031a5bdd1225a292eef..e562f2908270c349b2a0521ecff68f1c9f66a35b 100644
--- a/content/browser/renderer_host/render_widget_host_delegate.h
+++ b/content/browser/renderer_host/render_widget_host_delegate.h
@@ -79,21 +79,18 @@ class CONTENT_EXPORT RenderWidgetHostDelegate {
   virtual bool HandleWheelEvent(const blink::WebMouseWheelEvent& event);
 
   // Notification the user has performed a direct interaction (mouse down, mouse
-  // wheel, raw key down, or gesture tap) while focus was on the page. Informs
-  // the delegate that a user is interacting with a site. Only the first mouse
-  // wheel event during a scroll will trigger this method.
-  virtual void OnUserInteraction(const blink::WebInputEvent::Type type) {}
+  // wheel, raw key down, gesture tap, or browser-initiated navigation) while
+  // focus was on the page. Informs the delegate that a user is interacting with
+  // a site. Only the first mouse wheel event during a scroll will trigger this
+  // method.
+  virtual void OnUserInteraction(RenderWidgetHostImpl* render_widget_host,
+                                 const blink::WebInputEvent::Type type) {}
 
   // Callback to give the browser a chance to handle the specified gesture
   // event before sending it to the renderer.
   // Returns true if the |event| was handled.
   virtual bool PreHandleGestureEvent(const blink::WebGestureEvent& event);
 
-  // Notification the user has made a gesture while focus was on the
-  // page. This is used to avoid uninitiated user downloads (aka carpet
-  // bombing), see DownloadRequestLimiter for details.
-  virtual void OnUserGesture(RenderWidgetHostImpl* render_widget_host) {}
-
   // Notifies that screen rects were sent to renderer process.
   virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) {}