Remove complexity from the input pipeline.

content/renderer/render_widget.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 CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 298 matching lines @@
   void WillCloseLayerTreeView();
 
   RenderWidgetCompositor* compositor() const;
 
   const RenderWidgetInputHandler& input_handler() const {
     return *input_handler_;
   }
 
   void SetHandlingInputEventForTesting(bool handling_input_event);
 
-  // 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).
-  void IgnoreAckForMouseMoveFromDebugger();
-
   // Callback for use with synthetic gestures (e.g. BeginSmoothScroll).
   typedef base::Callback<void()> SyntheticGestureCompletionCallback;
 
   // Send a synthetic gesture to the browser to be queued to the synthetic
   // gesture controller.
   void QueueSyntheticGesture(
       std::unique_ptr<SyntheticGestureParams> gesture_params,
       const SyntheticGestureCompletionCallback& callback);
 
   // Deliveres |message| together with compositor state change updates. The
@@ skipping 491 matching lines @@
   // Stores edit commands associated to the next key event.
   // Will be cleared as soon as the next key event is processed.
   EditCommands edit_commands_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_