Notify WebContentsObservers of user interactions.

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 512dfee75fcfe859870524425f795d18b164b4aa..b33017d8b5292a431e2633bc7fca955aa0bf23ad 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -991,6 +991,8 @@ void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo(
   if (IgnoreInputEvents())
     return;
 
+  OnUserInput(wheel_event.type);
+
   if (touch_emulator_ && touch_emulator_->HandleMouseWheelEvent(wheel_event))
     return;
 
@@ -1105,6 +1107,9 @@ void RenderWidgetHostImpl::ForwardKeyboardEvent(
     OnUserGesture();
   }
 
+  if (key_event.type == WebKeyboardEvent::RawKeyDown)

[jdduke (slow), 2015/10/21 20:53:51]

Let's remove the explicit call here and in ForwardWheelEvent above, and instead
have a new conditional in FilterInputEvent that calls the method for the
relevant types.

[dominickn, 2015/10/26 04:14:24]

Done.

+    OnUserInput(key_event.type);
+
   // Double check the type to make sure caller hasn't sent us nonsense that
   // will mess up our key queue.
   if (!WebInputEvent::isKeyboardEventType(key_event.type))
@@ -1862,6 +1867,7 @@ InputEventAckState RenderWidgetHostImpl::FilterInputEvent(
 
   if (event.type == WebInputEvent::MouseDown ||
       event.type == WebInputEvent::GestureTapDown) {
+    OnUserInput(event.type);
     OnUserGesture();
   }