[Extensions Mac UI] Fix more bugs in the action overflow container

chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller.mm

 // Copyright (c) 2011 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.
 
 #import "chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller.h"
 
 #include "base/basictypes.h"
 #include "base/mac/bundle_locations.h"
 #include "base/strings/string16.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 252 matching lines @@
   gfx::Size preferredContainerSize =
       [browserActionsController_ sizeForOverflowWidth:maxContainerWidth];
 
   // Set the origins and preferred size for the container.
   // View hierarchy is as follows (from parent > child):
   // |view| > |anonymous view| > containerView. We have to set the origin
   // and size of each for it display properly.
   // The parent views each have a size of the full width of the menu, so we can
   // properly position the container.
   NSSize parentSize =
-      NSMakeSize([[self menu] size].width, preferredContainerSize.height());
+      NSMakeSize(preferredContainerSize.width() + kRightPadding + kLeftPadding,
+                 preferredContainerSize.height());
   [view setFrameSize:parentSize];
   [[containerView superview] setFrameSize:parentSize];
 
   // The container view gets its preferred size.
   [containerView setFrameSize:NSMakeSize(preferredContainerSize.width(),
                                          preferredContainerSize.height())];
   [browserActionsController_ update];
 
   [view setFrameOrigin:NSZeroPoint];
   [[containerView superview] setFrameOrigin:NSZeroPoint];
@@ skipping 223 matching lines @@
     controller_ = controller;
   }
   return self;
 }
 
 - (IBAction)dispatchWrenchMenuCommand:(id)sender {
   [controller_ dispatchWrenchMenuCommand:sender];
 }
 
 @end  // @implementation WrenchMenuButtonViewController