Rename RootWindowHost to WindowTreeHost

ui/events/ozone/event_factory_ozone.h

 // Copyright (c) 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 UI_EVENTS_OZONE_EVENT_FACTORY_OZONE_H_
 #define UI_EVENTS_OZONE_EVENT_FACTORY_OZONE_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_pump_libevent.h"
 #include "ui/events/events_export.h"
 #include "ui/events/ozone/event_converter_ozone.h"
 
 namespace ui {
 
 // Creates and dispatches |ui.Event|'s. Ozone assumes that events arrive on file
 // descriptors with one  |EventConverterOzone| instance for each descriptor.
 // Ozone presumes that the set of file desctiprtors can vary at runtime so this
 // class supports dynamically adding and removing |EventConverterOzone|
 // instances as necessary.
 class EVENTS_EXPORT EventFactoryOzone {
  public:
   EventFactoryOzone();
   virtual ~EventFactoryOzone();
 
-  // Called from RootWindowHostOzone to initialize and start processing events.
+  // Called from WindowTreeHostOzone to initialize and start processing events.
   // This should create the initial set of converters, and potentially arrange
   // for more converters to be created as new event sources become available.
   // No events processing should happen until this is called. All processes have
   // an EventFactoryOzone but not all of them should process events. In chrome,
   // events are dispatched in the browser process on the UI thread.
   virtual void StartProcessingEvents();
 
   // Returns the static instance last set using SetInstance().
   static EventFactoryOzone* GetInstance();
 
@@ skipping 15 matching lines @@
   std::map<int, FDWatcher> watchers_;
 
   static EventFactoryOzone* impl_;  // not owned
 
   DISALLOW_COPY_AND_ASSIGN(EventFactoryOzone);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVENT_FACTORY_OZONE_H_