ozone: Remove the explicit call to start listening for events.

ui/ozone/platform/caca/caca_event_factory.h

 // Copyright 2014 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 UI_OZONE_PLATFORM_CACA_CACA_EVENT_FACTORY_H_
 #define UI_OZONE_PLATFORM_CACA_CACA_EVENT_FACTORY_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "ui/events/ozone/event_factory_ozone.h"
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/geometry/point_f.h"
 
 namespace ui {
 
 class CacaConnection;
 
-class CacaEventFactory : public EventFactoryOzone, PlatformEventSource {
+class CacaEventFactory : public EventFactoryOzone,
+                         public PlatformEventSource {
  public:
   CacaEventFactory(CacaConnection* connection);
   virtual ~CacaEventFactory();
 
-  // ui::EventFactoryOzone overrides:
-  virtual void StartProcessingEvents() OVERRIDE;
+  // ui::EventFactoryOzone:
   virtual void WarpCursorTo(gfx::AcceleratedWidget widget,
                             const gfx::PointF& location) OVERRIDE;
 
  private:
+  // PlatformEventSource:
+  virtual void OnDispatcherListChanged() OVERRIDE;
+
   void ScheduleEventProcessing();
 
   void TryProcessingEvent();
 
   CacaConnection* connection_;  // Not owned.
 
   base::WeakPtrFactory<CacaEventFactory> weak_ptr_factory_;
 
   // Delay between event polls.
   base::TimeDelta delay_;
 
   // Keep track of last cursor position to dispatch correct mouse push/release
   // events.
   gfx::PointF last_cursor_location_;
 
   int modifier_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(CacaEventFactory);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_CACA_CACA_EVENT_FACTORY_H_