Convert main-thread overscroll parameters into viewport space.

content/renderer/input/render_widget_input_handler.h

 // Copyright 2015 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 CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_
 #define CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 26 matching lines @@
                            RenderWidget* widget);
   virtual ~RenderWidgetInputHandler();
 
   // Handle input events from the input event provider.
   virtual void HandleInputEvent(const blink::WebInputEvent& input_event,
                                 const ui::LatencyInfo& latency_info,
                                 InputEventDispatchType dispatch_type);
 
   // Handle overscroll from Blink.
   void DidOverscrollFromBlink(
-      const blink::WebFloatSize& unusedDelta,
-      const blink::WebFloatSize& accumulatedRootOverScroll,
+      const blink::WebFloatSize& overscrollDelta,
+      const blink::WebFloatSize& accumulatedOverscroll,
       const blink::WebFloatPoint& position,
       const blink::WebFloatSize& velocity);
 
   // When paused in debugger, we send ack for mouse event early. This ensures
   // that we continue receiving mouse moves and pass them to debugger. Returns
   // whether we are paused in mouse move event and have sent the ack.
   bool SendAckForMouseMoveFromDebugger();
 
   // When resumed from pause in debugger while handling mouse move,
   // we should not send an extra ack (see SendAckForMouseMoveFromDebugger).
@@ skipping 47 matching lines @@
   bool ignore_ack_for_mouse_move_from_debugger_;
 
   std::unique_ptr<InputEventAck> pending_input_event_ack_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetInputHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_H_