NOT FOR LANDING - [WebView] Allow fling animation via the LayerScrollOffsetDelegate

cc/input/input_handler.h

 // Copyright 2011 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 CC_INPUT_INPUT_HANDLER_H_
 #define CC_INPUT_INPUT_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "cc/base/cc_export.h"
@@ skipping 11 matching lines @@
 
 namespace cc {
 
 class LayerScrollOffsetDelegate;
 
 class CC_EXPORT InputHandlerClient {
  public:
   virtual ~InputHandlerClient() {}
 
   virtual void WillShutdown() = 0;
-  virtual void Animate(base::TimeTicks time) = 0;
+  virtual void AnimateFling(base::TimeTicks time) = 0;
   virtual void MainThreadHasStoppedFlinging() = 0;
 
   // Called when scroll deltas reaching the root scrolling layer go unused.
   // The accumulated overscroll is scoped by the most recent call to
   // InputHandler::ScrollBegin.
   virtual void DidOverscroll(const gfx::Vector2dF& accumulated_overscroll,
                              const gfx::Vector2dF& latest_overscroll_delta) = 0;
 
  protected:
   InputHandlerClient() {}
@@ skipping 74 matching lines @@
   virtual void PinchGestureBegin() = 0;
   virtual void PinchGestureUpdate(float magnify_delta,
                                   const gfx::Point& anchor) = 0;
   virtual void PinchGestureEnd() = 0;
 
   virtual void StartPageScaleAnimation(const gfx::Vector2d& target_offset,
                                        bool anchor_point,
                                        float page_scale,
                                        base::TimeDelta duration) = 0;
 
-  // Request another callback to InputHandlerClient::Animate().
-  virtual void SetNeedsAnimate() = 0;
+  // Request another callback to InputHandlerClient::AnimateFling().
+  virtual void SetNeedsAnimateFling() = 0;
 
   // Whether the layer under |viewport_point| is the currently scrolling layer.
   virtual bool IsCurrentlyScrollingLayerAt(const gfx::Point& viewport_point,
                                            ScrollInputType type) = 0;
 
   virtual bool HaveTouchEventHandlersAt(const gfx::Point& viewport_point) = 0;
 
   // Calling CreateLatencyInfoSwapPromiseMonitor() to get a scoped
   // LatencyInfoSwapPromiseMonitor. During the life time of the
   // LatencyInfoSwapPromiseMonitor, if SetNeedsRedraw() or SetNeedsRedrawRect()
   // is called on LayerTreeHostImpl, the original latency info will be turned
   // into a LatencyInfoSwapPromise.
   virtual scoped_ptr<SwapPromiseMonitor> CreateLatencyInfoSwapPromiseMonitor(
       ui::LatencyInfo* latency) = 0;
 
  protected:
   InputHandler() {}
   virtual ~InputHandler() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputHandler);
 };
 
 }  // namespace cc
 
 #endif  // CC_INPUT_INPUT_HANDLER_H_