move webkit/glue/fling_* to webkit/child

webkit/child/webkitplatformsupport_child_impl.h

 // // 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.
 
 #ifndef WEBKIT_CHILD_WEBKITPLATFORMSUPPORT_CHILD_IMPL_H_
 #define WEBKIT_CHILD_WEBKITPLATFORMSUPPORT_CHILD_IMPL_H_
 
 #include "webkit/child/webkit_child_export.h"
 #include "webkit/glue/webkitplatformsupport_impl.h"
 
 namespace webkit_glue {
 
+class FlingCurveConfiguration;
+
 class WEBKIT_CHILD_EXPORT WebKitPlatformSupportChildImpl :
     public WebKitPlatformSupportImpl {
  public:
   WebKitPlatformSupportChildImpl();
   virtual ~WebKitPlatformSupportChildImpl();
+
+  void SetFlingCurveParameters(
+    const std::vector<float>& new_touchpad,
+    const std::vector<float>& new_touchscreen);
+
+  virtual WebKit::WebGestureCurve* createFlingAnimationCurve(
+      int device_source,
+      const WebKit::WebFloatPoint& velocity,
+      const WebKit::WebSize& cumulative_scroll) OVERRIDE;
+
+  scoped_ptr<FlingCurveConfiguration> fling_curve_configuration_;
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_CHILD_WEBKITPLATFORMSUPPORT_CHILD_IMPL_H_