MouseMove when the mouse is down to signal compositor priority

content/renderer/input/input_handler_proxy.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/input/input_handler_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 215 matching lines @@
   InputHandlerProxy::EventDisposition disposition = HandleInputEvent(event);
   return disposition;
 }
 
 InputHandlerProxy::EventDisposition InputHandlerProxy::HandleInputEvent(
     const WebInputEvent& event) {
   DCHECK(input_handler_);
   TRACE_EVENT1("input,benchmark", "InputHandlerProxy::HandleInputEvent",
                "type", WebInputEventTraits::GetName(event.type));
 
-  client_->DidReceiveInputEvent(event.type);
+  client_->DidReceiveInputEvent(event);
   if (FilterInputEventForFlingBoosting(event))
     return DID_HANDLE;
 
   switch (event.type) {
     case WebInputEvent::MouseWheel:
       return HandleMouseWheel(static_cast<const WebMouseWheelEvent&>(event));
 
     case WebInputEvent::GestureScrollBegin:
       return HandleGestureScrollBegin(
           static_cast<const WebGestureEvent&>(event));
@@ skipping 695 matching lines @@
   // trigger a scroll, e.g., with a trivial time delta between fling updates.
   // Return true in this case to prevent early fling termination.
   if (std::abs(clipped_increment.width) < kScrollEpsilon &&
       std::abs(clipped_increment.height) < kScrollEpsilon)
     return true;
 
   return did_scroll;
 }
 
 }  // namespace content