Polish the keybinding implementation a bit.

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

 // 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.
 
 #include "chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.h"
 
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 25 matching lines @@
                                  event->state & GDK_SHIFT_MASK,
                                  event->state & GDK_CONTROL_MASK,
                                  event->state & GDK_MOD1_MASK);
   return event_targets_.find(accelerator) != event_targets_.end();
 }
 
 void ExtensionKeybindingRegistryGtk::AddExtensionKeybinding(
     const Extension* extension) {
   // Add all the keybindings (except pageAction and browserAction, which are
   // handled elsewhere).
-  const std::vector<Extension::ExtensionKeybinding> commands =
-      extension->keybindings();
-  for (size_t i = 0; i < commands.size(); ++i) {
-    ui::AcceleratorGtk accelerator(commands[i].accelerator().key_code(),
-                                   commands[i].accelerator().IsShiftDown(),
-                                   commands[i].accelerator().IsCtrlDown(),
-                                   commands[i].accelerator().IsAltDown());
+  const Extension::CommandMap& commands = extension->named_commands();
+  Extension::CommandMap::const_iterator iter = commands.begin();
+  for (; iter != commands.end(); ++iter) {
+    ui::AcceleratorGtk accelerator(iter->second.accelerator().key_code(),
+                                   iter->second.accelerator().IsShiftDown(),
+                                   iter->second.accelerator().IsCtrlDown(),
+                                   iter->second.accelerator().IsAltDown());
     event_targets_[accelerator] =
-        std::make_pair(extension->id(), commands[i].command_name());
+        std::make_pair(extension->id(), iter->second.command_name());
 
-    if (ShouldIgnoreCommand(commands[i].command_name()))
+    if (ShouldIgnoreCommand(iter->second.command_name()))
       continue;
 
     if (!accel_group_) {
       accel_group_ = gtk_accel_group_new();
       gtk_window_add_accel_group(window_, accel_group_);
     }
 
     gtk_accel_group_connect(
         accel_group_,
         accelerator.GetGdkKeyCode(),
@@ skipping 39 matching lines @@
   if (it == event_targets_.end()) {
     NOTREACHED();  // Shouldn't get this event for something not registered.
     return FALSE;
   }
 
   service->browser_event_router()->CommandExecuted(
       profile_, it->second.first, it->second.second);
 
   return TRUE;
 }