use enum to specify deviceSource for fling animation

public/platform/Platform.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #ifdef WIN32
 #include <windows.h>
 #endif
 
 #include "WebAudioDevice.h"
 #include "WebCommon.h"
 #include "WebData.h"
 #include "WebGamepadListener.h"
 #include "WebGamepads.h"
+#include "WebGestureDevice.h"
 #include "WebGraphicsContext3D.h"
 #include "WebLocalizedString.h"
 #include "WebLockOrientationCallback.h"
 #include "WebScreenOrientationLockType.h"
 #include "WebScreenOrientationType.h"
 #include "WebSpeechSynthesizer.h"
 #include "WebStorageQuotaCallbacks.h"
 #include "WebStorageQuotaType.h"
 #include "WebString.h"
 #include "WebURLError.h"
@@ skipping 535 matching lines @@
     virtual bool isThreadedCompositingEnabled() { return false; }
 
     virtual WebCompositorSupport* compositorSupport() { return 0; }
 
     virtual WebFlingAnimator* createFlingAnimator() { return 0; }
 
     // Creates a new fling animation curve instance for device |deviceSource|
     // with |velocity| and already scrolled |cumulativeScroll| pixels.
     virtual WebGestureCurve* createFlingAnimationCurve(int deviceSource, const WebFloatPoint& velocity, const WebSize& cumulativeScroll) { return 0; }
 
+    // TODO(rjkroege): Remove at end of http://crbug.com/343327

[dglazkov, 2014/05/30 00:00:09]

This doesn't need to be all bent to 80 chars. We're in a free world in Blink :)

[rjkroege, 2014/05/30 01:00:20]

Good to know. I'd fix except that I intend to delete the whole comment after a
roll or two.

+    virtual WebGestureCurve* createFlingAnimationCurve(
+        WebGestureDevice deviceSource,
+        const WebFloatPoint& velocity,
+        const WebSize& cumulativeScroll)
+    {
+        return createFlingAnimationCurve(
+            (int)deviceSource, velocity, cumulativeScroll);
+    }
 
     // WebRTC ----------------------------------------------------------
 
     // Creates an WebRTCPeerConnectionHandler for RTCPeerConnection.
     // May return null if WebRTC functionality is not avaliable or out of resources.
     virtual WebRTCPeerConnectionHandler* createRTCPeerConnectionHandler(WebRTCPeerConnectionHandlerClient*) { return 0; }
 
     // May return null if WebRTC functionality is not avaliable or out of resources.
     virtual WebMediaStreamCenter* createMediaStreamCenter(WebMediaStreamCenterClient*) { return 0; }
 
@@ skipping 56 matching lines @@
     virtual WebDatabaseObserver* databaseObserver() { return 0; }
 
 
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif