input: Remove now dead code.

content/browser/renderer_host/input/input_router_impl.h

 // Copyright 2013 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_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 55 matching lines @@
   void SendMouseEvent(const MouseEventWithLatencyInfo& mouse_event) override;
   void SendWheelEvent(
       const MouseWheelEventWithLatencyInfo& wheel_event) override;
   void SendKeyboardEvent(
       const NativeWebKeyboardEventWithLatencyInfo& key_event) override;
   void SendGestureEvent(
       const GestureEventWithLatencyInfo& gesture_event) override;
   void SendTouchEvent(const TouchEventWithLatencyInfo& touch_event) override;
   const NativeWebKeyboardEvent* GetLastKeyboardEvent() const override;
   void NotifySiteIsMobileOptimized(bool is_mobile_optimized) override;
-  void RequestNotificationWhenFlushed() override;
   bool HasPendingEvents() const override;
   void SetDeviceScaleFactor(float device_scale_factor) override;
 
   // IPC::Listener
   bool OnMessageReceived(const IPC::Message& message) override;
 
   void SetFrameTreeNodeId(int frameTreeNodeId) override;
 
  private:
   friend class InputRouterImplTest;
@@ skipping 108 matching lines @@
                        const ui::LatencyInfo& latency,
                        uint32_t unique_touch_event_id);
 
   // Called when a touch timeout-affecting bit has changed, in turn toggling the
   // touch ack timeout feature of the |touch_event_queue_| as appropriate. Input
   // to that determination includes current view properties and the allowed
   // touch action. Note that this will only affect platforms that have a
   // non-zero touch timeout configuration.
   void UpdateTouchAckTimeoutEnabled();
 
-  // If a flush has been requested, signals a completed flush to the client if
-  // all events have been dispatched (i.e., |HasPendingEvents()| is false).
-  void SignalFlushedIfNecessary();
-
   int routing_id() const { return routing_id_; }
 
   IPC::Sender* sender_;
   InputRouterClient* client_;
   InputAckHandler* ack_handler_;
   int routing_id_;
   int frame_tree_node_id_;
 
   // (Similar to |mouse_move_pending_|.) True while waiting for SelectRange_ACK
   // or MoveRangeSelectionExtent_ACK.
@@ skipping 17 matching lines @@
   // A queue of keyboard events. We can't trust data from the renderer so we
   // stuff key events into a queue and pop them out on ACK, feeding our copy
   // back to whatever unhandled handler instead of the returned version.
   typedef std::deque<NativeWebKeyboardEventWithLatencyInfo> KeyQueue;
   KeyQueue key_queue_;
 
   // The source of the ack within the scope of |ProcessInputEventAck()|.
   // Defaults to ACK_SOURCE_NONE.
   AckSource current_ack_source_;
 
-  // Whether a call to |Flush()| has yet been accompanied by a |DidFlush()| call
-  // to the client_ after all events have been dispatched/acked.
-  bool flush_requested_;
-
   // Whether there are any active flings in the renderer. As the fling
   // end notification is asynchronous, we use a count rather than a boolean
   // to avoid races in bookkeeping when starting a new fling.
   int active_renderer_fling_count_;
 
   // Whether the TouchScrollStarted event has been sent for the current
   // gesture scroll yet.
   bool touch_scroll_started_sent_;
 
   MouseWheelEventQueue wheel_event_queue_;
   std::unique_ptr<TouchEventQueue> touch_event_queue_;
   GestureEventQueue gesture_event_queue_;
   TouchActionFilter touch_action_filter_;
   InputEventStreamValidator input_stream_validator_;
   InputEventStreamValidator output_stream_validator_;
 
   float device_scale_factor_;
   bool raf_aligned_touch_enabled_;
 
   // Last touch position relative to screen. Used to compute movementX/Y.
   std::map<int, gfx::Point> global_touch_position_;
 
   DISALLOW_COPY_AND_ASSIGN(InputRouterImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_IMPL_H_