Enable commands API for platform apps.

chrome/browser/ui/views/extensions/shell_window_views.h

Index: chrome/browser/ui/views/extensions/shell_window_views.h
diff --git a/chrome/browser/ui/views/extensions/shell_window_views.h b/chrome/browser/ui/views/extensions/shell_window_views.h
index 25f0c97245ec8a6103f986833c262f13dd951902..920674ddbab6f6fde4833544d1584c66ec195470 100644
--- a/chrome/browser/ui/views/extensions/shell_window_views.h
+++ b/chrome/browser/ui/views/extensions/shell_window_views.h
@@ -8,10 +8,12 @@
 #include "chrome/browser/ui/base_window.h"
 #include "chrome/browser/ui/extensions/native_shell_window.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
+#include "chrome/browser/ui/views/unhandled_keyboard_event_handler.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/widget/widget_delegate.h"
 
+class ExtensionKeybindingRegistryViews;
 class Profile;
 
 namespace content {
@@ -116,6 +118,11 @@ class ShellWindowViews : public NativeShellWindow,
   gfx::Size minimum_size_;
   gfx::Size maximum_size_;
 
+  // The class that registers for keyboard shortcuts for extension commands.
+  scoped_ptr<ExtensionKeybindingRegistryViews> extension_keybinding_registry_;
+
+  UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
+
   DISALLOW_COPY_AND_ASSIGN(ShellWindowViews);
 };