Experimental Extension Keybinding (first cut).

chrome/browser/ui/views/browser_actions_container.h

Index: chrome/browser/ui/views/browser_actions_container.h
===================================================================
--- chrome/browser/ui/views/browser_actions_container.h	(revision 123221)
+++ chrome/browser/ui/views/browser_actions_container.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -15,12 +15,14 @@
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop_helpers.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
+#include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.h"
 #include "chrome/browser/ui/views/extensions/extension_popup.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "ui/base/accelerators/accelerator.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/tween.h"
 #include "ui/views/controls/button/menu_button.h"
@@ -104,6 +106,9 @@
   virtual void ShowContextMenu(const gfx::Point& p,
                                bool is_mouse_gesture) OVERRIDE;
 
+  // Overridden from ui::AcceleratorTarget.
+  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
+
   // Notifications when to set button state to pushed/not pushed (for when the
   // popup/context menu is hidden or shown by the container).
   void SetButtonPushed();
@@ -141,6 +146,10 @@
 
   content::NotificationRegistrar registrar_;
 
+  // The extension keybinding accelerator this browser action is listening for
+  // (to show the popup).
+  scoped_ptr<ui::Accelerator> keybinding_;
+
   friend class base::DeleteHelper<BrowserActionButton>;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionButton);
@@ -495,6 +504,9 @@
   // own lifetime so that it can stay alive during drag and drop operations.
   BrowserActionOverflowMenuController* overflow_menu_;
 
+  // The class that registers for keyboard shortcuts for extension commands.
+  ExtensionKeybindingRegistry extension_keybinding_registry_;
+
   // The animation that happens when the container snaps to place.
   scoped_ptr<ui::SlideAnimation> resize_animation_;