use enum to specify deviceSource for fling animation.

content/child/blink_platform_impl.cc

 // Copyright 2014 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/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 28 matching lines @@
 #include "grit/blink_resources.h"
 #include "grit/webkit_resources.h"
 #include "grit/webkit_strings.h"
 #include "net/base/data_url.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebConvertableToTraceFormat.h"
 #include "third_party/WebKit/public/platform/WebData.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebWaitableEvent.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/base/layout.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/sys_utils.h"
 #include "content/child/fling_animator_impl_android.h"
 #endif
 
 #if !defined(NO_TCMALLOC) && defined(USE_TCMALLOC) && !defined(OS_WIN)
 #include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
 #endif
@@ skipping 811 matching lines @@
 void BlinkPlatformImpl::stopSharedTimer() {
   shared_timer_.Stop();
 }
 
 void BlinkPlatformImpl::callOnMainThread(
     void (*func)(void*), void* context) {
   main_loop_->PostTask(FROM_HERE, base::Bind(func, context));
 }
 
 blink::WebGestureCurve* BlinkPlatformImpl::createFlingAnimationCurve(
-    int device_source,
+    blink::WebGestureDevice device_source,
     const blink::WebFloatPoint& velocity,
     const blink::WebSize& cumulative_scroll) {
 #if defined(OS_ANDROID)
   return FlingAnimatorImpl::CreateAndroidGestureCurve(
       velocity,
       cumulative_scroll);
 #endif
 
-  if (device_source == blink::WebGestureEvent::Touchscreen)
+  if (device_source == blink::WebGestureDeviceTouchscreen)
     return fling_curve_configuration_->CreateForTouchScreen(velocity,
                                                             cumulative_scroll);
 
   return fling_curve_configuration_->CreateForTouchPad(velocity,
                                                        cumulative_scroll);
 }
 
 void BlinkPlatformImpl::didStartWorkerRunLoop(
     const blink::WebWorkerRunLoop& runLoop) {
   WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
@@ skipping 193 matching lines @@
 }
 
 // static
 void BlinkPlatformImpl::DestroyCurrentThread(void* thread) {
   WebThreadImplForMessageLoop* impl =
       static_cast<WebThreadImplForMessageLoop*>(thread);
   delete impl;
 }
 
 }  // namespace content