Adding phase info to wheel events migrated to wheel phase handler class.

content/browser/renderer_host/render_widget_host_view_event_handler.h

Index: content/browser/renderer_host/render_widget_host_view_event_handler.h
diff --git a/content/browser/renderer_host/render_widget_host_view_event_handler.h b/content/browser/renderer_host/render_widget_host_view_event_handler.h
index c0bdfce4df3d7ada7472893144c3180bf0fe650f..24815cc76da580b5a5fbb60564f078fce6eb45e5 100644
--- a/content/browser/renderer_host/render_widget_host_view_event_handler.h
+++ b/content/browser/renderer_host/render_widget_host_view_event_handler.h
@@ -8,7 +8,7 @@
 #include <memory>
 
 #include "base/macros.h"
-#include "base/timer/timer.h"
+#include "content/browser/renderer_host/input/mouse_wheel_phase_handler.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "ui/aura/window_tracker.h"
@@ -189,11 +189,6 @@ class CONTENT_EXPORT RenderWidgetHostViewEventHandler
                               const ui::LatencyInfo& latency);
   void ProcessTouchEvent(const blink::WebTouchEvent& event,
                          const ui::LatencyInfo& latency);
-  void SendSyntheticWheelEventWithPhaseEnded(
-      blink::WebMouseWheelEvent last_mouse_wheel_event,
-      bool should_route_event);
-  void AddPhaseAndScheduleEndEvent(blink::WebMouseWheelEvent& mouse_wheel_event,
-                                   bool should_route_event);
 
   // Whether return characters should be passed on to the RenderWidgetHostImpl.
   bool accept_return_character_;
@@ -255,8 +250,7 @@ class CONTENT_EXPORT RenderWidgetHostViewEventHandler
   ui::EventHandler* popup_child_event_handler_;
   Delegate* const delegate_;
   aura::Window* window_;
-
-  base::OneShotTimer mouse_wheel_end_dispatch_timer_;
+  MouseWheelPhaseHandler mouse_wheel_phase_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewEventHandler);
 };