Implement first part of supporting global extension commands.

chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h

Index: chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h
diff --git a/chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h b/chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h
index 8b3ac20bfb16f4703155e4111924653d1bd3136e..63c94b5aada28de846f0f9cf1bc6ff8a03b6e3d2 100644
--- a/chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h
+++ b/chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h
@@ -6,7 +6,6 @@
 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
 
 #include <gdk/gdk.h>
-#include <map>
 #include <string>
 
 #include "base/compiler_specific.h"
@@ -59,8 +58,8 @@ class ExtensionKeybindingRegistryGtk
   virtual void AddExtensionKeybinding(
       const extensions::Extension* extension,
       const std::string& command_name) OVERRIDE;
-  virtual void RemoveExtensionKeybinding(
-      const extensions::Extension* extension,
+  virtual void RemoveExtensionKeybindingImpl(
+      const ui::Accelerator& accelerator,
       const std::string& command_name) OVERRIDE;
 
  private:
@@ -85,14 +84,6 @@ class ExtensionKeybindingRegistryGtk
   // The accelerator group used to handle accelerators, owned by this object.
   GtkAccelGroup* accel_group_;
 
-  // Maps an accelerator to a string pair (extension id, command name) for
-  // commands that have been registered. Unlike its Views counterpart, this map
-  // contains browserAction and pageAction commands (but does not route those
-  // events), so that we can query priority handlers in HasPriorityHandler(...).
-  typedef std::map< ui::Accelerator,
-                    std::pair<std::string, std::string> > EventTargets;
-  EventTargets event_targets_;
-
   // The content notification registrar for listening to extension events.
   content::NotificationRegistrar registrar_;