Refactor GlobalShortcutListener.

chrome/browser/extensions/global_shortcut_listener_ozone.h

Index: chrome/browser/extensions/global_shortcut_listener_ozone.h
diff --git a/chrome/browser/extensions/global_shortcut_listener_ozone.h b/chrome/browser/extensions/global_shortcut_listener_ozone.h
index 01d2953553d31dbcd7a81a6e7cf573316043553a..ebe6386f7cc5101add06dcfcdf90a656ed008525 100644
--- a/chrome/browser/extensions/global_shortcut_listener_ozone.h
+++ b/chrome/browser/extensions/global_shortcut_listener_ozone.h
@@ -17,22 +17,18 @@ class GlobalShortcutListenerOzone : public GlobalShortcutListener {
  public:
   virtual ~GlobalShortcutListenerOzone();
 
-  virtual void StartListening() OVERRIDE;
-  virtual void StopListening() OVERRIDE;
-
  private:
   friend struct base::DefaultLazyInstanceTraits<GlobalShortcutListenerOzone>;
 
   GlobalShortcutListenerOzone();
 
-  // Register an |accelerator| with the particular |observer|.
-  virtual void RegisterAccelerator(
-      const ui::Accelerator& accelerator,
-      GlobalShortcutListener::Observer* observer) OVERRIDE;
-  // Unregister an |accelerator| with the particular |observer|.
-  virtual void UnregisterAccelerator(
-      const ui::Accelerator& accelerator,
-      GlobalShortcutListener::Observer* observer) OVERRIDE;
+  // GlobalShortcutListener implementation.
+  virtual void StartListening() OVERRIDE;
+  virtual void StopListening() OVERRIDE;
+  virtual bool RegisterAcceleratorImpl(
+      const ui::Accelerator& accelerator) OVERRIDE;
+  virtual void UnregisterAcceleratorImpl(
+      const ui::Accelerator& accelerator) OVERRIDE;
 
   // Whether this object is listening for global shortcuts.
   bool is_listening_;