Connect LTHI::ScrollAnimated to cc::Viewport

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/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
@@ skipping 81 matching lines @@
         : thread(SCROLL_ON_IMPL_THREAD),
           main_thread_scrolling_reasons(
               MainThreadScrollingReason::kNotScrollingOnMain) {}
     ScrollStatus(ScrollThread thread, uint32_t main_thread_scrolling_reasons)
         : thread(thread),
           main_thread_scrolling_reasons(main_thread_scrolling_reasons) {}
     ScrollThread thread;
     uint32_t main_thread_scrolling_reasons;
   };
 
+  // TODO(ymalik): Remove ANIMATED_WHEEL once it is no longer special cased.
+  // see crbug.com/575019.
   enum ScrollInputType {
     TOUCHSCREEN,
     WHEEL,
     ANIMATED_WHEEL,
     NON_BUBBLING_GESTURE
   };
 
   // Binds a client to this handler to receive notifications. Only one client
   // can be bound to an InputHandler. The client must live at least until the
   // handler calls WillShutdown() on the client.
@@ skipping 91 matching lines @@
   InputHandler() {}
   virtual ~InputHandler() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputHandler);
 };
 
 }  // namespace cc
 
 #endif  // CC_INPUT_INPUT_HANDLER_H_