use enum to specify deviceSource for fling animation.

content/browser/renderer_host/input/input_router_impl.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/browser/renderer_host/input/input_router_impl.h"
 
 #include <math.h>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 162 matching lines @@
 }
 
 void InputRouterImpl::SendGestureEvent(
     const GestureEventWithLatencyInfo& original_gesture_event) {
   event_stream_validator_.OnEvent(original_gesture_event.event);
   GestureEventWithLatencyInfo gesture_event(original_gesture_event);
 
   if (touch_action_filter_.FilterGestureEvent(&gesture_event.event))
     return;
 
-  if (gesture_event.event.sourceDevice == WebGestureEvent::Touchscreen)
+  if (gesture_event.event.sourceDevice == blink::WebGestureDeviceTouchscreen)
     touch_event_queue_.OnGestureScrollEvent(gesture_event);
 
   if (!gesture_event_queue_.ShouldForward(gesture_event))
     return;
 
   SendGestureEventImmediately(gesture_event);
 }
 
 void InputRouterImpl::SendTouchEvent(
     const TouchEventWithLatencyInfo& touch_event) {
@@ skipping 32 matching lines @@
     // to send a touch-action response without racing against the ack timeout.
     UpdateTouchAckTimeoutEnabled();
   }
 
   FilterAndSendWebInputEvent(touch_event.event, touch_event.latency, false);
 }
 
 void InputRouterImpl::SendGestureEventImmediately(
     const GestureEventWithLatencyInfo& gesture_event) {
   if (gesture_event.event.type == WebInputEvent::GesturePinchUpdate &&
-      gesture_event.event.sourceDevice == WebGestureEvent::Touchpad) {
+      gesture_event.event.sourceDevice == blink::WebGestureDeviceTouchpad) {
     SendSyntheticWheelEventForPinch(gesture_event);
     return;
   }
 
   FilterAndSendWebInputEvent(gesture_event.event, gesture_event.latency, false);
 }
 
 const NativeWebKeyboardEvent* InputRouterImpl::GetLastKeyboardEvent() const {
   if (key_queue_.empty())
     return NULL;
@@ skipping 439 matching lines @@
 InputRouterImpl::QueuedWheelEvent::QueuedWheelEvent(
     const MouseWheelEventWithLatencyInfo& event,
     bool synthesized_from_pinch)
     : event(event), synthesized_from_pinch(synthesized_from_pinch) {
 }
 
 InputRouterImpl::QueuedWheelEvent::~QueuedWheelEvent() {
 }
 
 }  // namespace content