Fix some infobar problems.

chrome/browser/ui/cocoa/infobars/infobar_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/infobars/infobar_controller.h"
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 51 matching lines @@
     labelFrame.origin.x = imageFrame.origin.x;
     [image_ removeFromSuperview];
     image_ = nil;
     [labelPlaceholder_ setFrame:labelFrame];
   }
   [self initializeLabel];
 
   [self addAdditionalControls];
 
   [infoBarView_ setInfobarType:[self delegate]->GetInfoBarType()];
+  [infoBarView_ setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 }
 
 - (void)dealloc {
   [okButton_ setTarget:nil];
   [cancelButton_ setTarget:nil];
   [closeButton_ setTarget:nil];
   [super dealloc];
 }
 
 - (InfoBarCocoa*)infobar {
@@ skipping 95 matching lines @@
   [newLabel setAutoresizingMask:[labelPlaceholder_ autoresizingMask]];
   [[labelPlaceholder_ superview]
       replaceSubview:labelPlaceholder_ with:newLabel];
   labelPlaceholder_ = nil;  // Now released.
   [newLabel setDelegate:self];
 
   label_.reset(newLabel.release());
 }
 
 @end