Polish the keybinding implementation a bit.

chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc

Index: chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc
===================================================================
--- chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc	(revision 129600)
+++ chrome/browser/ui/gtk/browser_actions_toolbar_gtk.cc	(working copy)
@@ -374,21 +374,15 @@
 
   // Connect the accelerator for the browser action popup.
   void ConnectBrowserActionPopupAccelerator() {
-    // Iterate through all the keybindings and see if one is assigned to the
-    // browserAction.
-    const std::vector<Extension::ExtensionKeybinding>& commands =
-        extension_->keybindings();
-    for (size_t i = 0; i < commands.size(); ++i) {
-      if (commands[i].command_name() !=
-              extension_manifest_values::kBrowserActionKeybindingEvent)
-        continue;
-
+    const Extension::ExtensionKeybinding* command =
+        extension_->browser_action_command();
+    if (command) {
       // Found the browser action shortcut command, register it.
       keybinding_.reset(new ui::AcceleratorGtk(
-          commands[i].accelerator().key_code(),
-          commands[i].accelerator().IsShiftDown(),
-          commands[i].accelerator().IsCtrlDown(),
-          commands[i].accelerator().IsAltDown()));
+          command->accelerator().key_code(),
+          command->accelerator().IsShiftDown(),
+          command->accelerator().IsCtrlDown(),
+          command->accelerator().IsAltDown()));
 
       gfx::NativeWindow window =
           toolbar_->browser()->window()->GetNativeHandle();
@@ -407,7 +401,6 @@
       registrar_.Add(this,
                      chrome::NOTIFICATION_WINDOW_CLOSED,
                      content::Source<GtkWindow>(window));
-      break;
     }
   }