use enum to specify deviceSource for fling animation.

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2012 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/render_widget_host_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 1198 matching lines @@
 }
 
 InputEventAckState RenderWidgetHostViewAura::FilterInputEvent(
     const blink::WebInputEvent& input_event) {
   bool consumed = false;
   if (input_event.type == WebInputEvent::GestureFlingStart) {
     const WebGestureEvent& gesture_event =
         static_cast<const WebGestureEvent&>(input_event);
     // Zero-velocity touchpad flings are an Aura-specific signal that the
     // touchpad scroll has ended, and should not be forwarded to the renderer.
-    if (gesture_event.sourceDevice == WebGestureEvent::Touchpad &&
+    if (gesture_event.sourceDevice == blink::WebGestureDeviceTouchpad &&
         !gesture_event.data.flingStart.velocityX &&
         !gesture_event.data.flingStart.velocityY) {
       consumed = true;
     }
   }
 
   if (overscroll_controller_)
     consumed |= overscroll_controller_->WillHandleEvent(input_event);
 
   return consumed && !WebTouchEvent::isTouchEventType(input_event.type)
@@ skipping 747 matching lines @@
       event->details().touch_points() == 1) {
     delegate->HandleGestureBegin();
   }
 
   blink::WebGestureEvent gesture = MakeWebGestureEvent(event);
   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
     // Webkit does not stop a fling-scroll on tap-down. So explicitly send an
     // event to stop any in-progress flings.
     blink::WebGestureEvent fling_cancel = gesture;
     fling_cancel.type = blink::WebInputEvent::GestureFlingCancel;
-    fling_cancel.sourceDevice = blink::WebGestureEvent::Touchscreen;
+    fling_cancel.sourceDevice = blink::WebGestureDeviceTouchscreen;
     host_->ForwardGestureEvent(fling_cancel);
   }
 
   if (gesture.type != blink::WebInputEvent::Undefined) {
     host_->ForwardGestureEventWithLatencyInfo(gesture, *event->latency());
 
     if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
         event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
         event->type() == ui::ET_GESTURE_SCROLL_END) {
       RecordAction(base::UserMetricsAction("TouchscreenScroll"));
@@ skipping 436 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content