A new menu system for views.

This is all the functionality needed for the page, app menus and browser system menus.

Review URL: http://codereview.chromium.org/119237

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17895 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/views/view.cc b/views/view.cc
index 985064cd..0280aef 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -943,7 +943,7 @@
     return;
   }
 
-  int index = iter - accelerators_->begin();
+  size_t index = iter - accelerators_->begin();
   accelerators_->erase(iter);
   if (index >= registered_accelerator_count_) {
     // The accelerator is not registered to FocusManager.