move webkit/glue/fling_* to webkit/child

webkit/glue/fling_animator_impl_android.h

-// 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.
-
-#ifndef WEBKIT_GLUE_FLING_ANIMATOR_IMPL_ANDROID_H_
-#define WEBKIT_GLUE_FLING_ANIMATOR_IMPL_ANDROID_H_
-
-#include "base/android/scoped_java_ref.h"
-#include "third_party/WebKit/public/platform/WebFloatPoint.h"
-#include "third_party/WebKit/public/platform/WebGestureCurve.h"
-#include "third_party/WebKit/public/platform/WebSize.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/point_f.h"
-#include "webkit/glue/webkit_glue_export.h"
-
-namespace WebKit {
-class WebGestureCurveTarget;
-}
-
-namespace webkit_glue {
-
-class WEBKIT_GLUE_EXPORT FlingAnimatorImpl : public WebKit::WebGestureCurve {
- public:
-  FlingAnimatorImpl();
-  virtual ~FlingAnimatorImpl();
-
-  static FlingAnimatorImpl* CreateAndroidGestureCurve(
-      const WebKit::WebFloatPoint& velocity,
-      const WebKit::WebSize&);
-
-  virtual bool apply(double time,
-                     WebKit::WebGestureCurveTarget* target);
-
-  static bool RegisterJni(JNIEnv*);
-
- private:
-  void StartFling(const gfx::PointF& velocity);
-  // Returns true if the animation is not yet finished.
-  bool UpdatePosition();
-  gfx::Point GetCurrentPosition();
-  float GetCurrentVelocity();
-  virtual void CancelFling();
-
-  bool is_active_;
-
-  // Java OverScroller instance and methods.
-  base::android::ScopedJavaGlobalRef<jobject> java_scroller_;
-
-  gfx::Point last_position_;
-  gfx::PointF last_velocity_;
-  double last_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(FlingAnimatorImpl);
-};
-
-} // namespace webkit_glue
-
-#endif // WEBKIT_GLUE_FLING_ANIMATOR_IMPL_ANDROID_H_