Clean up pak loading.

ui/base/resource/resource_bundle_ios.mm

 // Copyright 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 "ui/base/resource/resource_bundle.h"
 
 #import <QuartzCore/QuartzCore.h>
 #import <UIKit/UIKit.h>
 
 #include "base/basictypes.h"
@@ skipping 26 matching lines @@
   if (!resource_path) {
     // Return just the name of the pak file.
     return base::FilePath(base::SysNSStringToUTF8(name) + ".pak");
   }
   return base::FilePath([resource_path fileSystemRepresentation]);
 }
 
 }  // namespace
 
 void ResourceBundle::LoadCommonResources() {
-  AddDataPackFromPath(GetResourcesPakFilePath(@"chrome", nil),
-                      ui::SCALE_FACTOR_NONE);
-
   if (IsScaleFactorSupported(SCALE_FACTOR_100P)) {
     AddDataPackFromPath(GetResourcesPakFilePath(@"chrome_100_percent", nil),
                         SCALE_FACTOR_100P);
   }
 
   if (IsScaleFactorSupported(SCALE_FACTOR_200P)) {
     AddDataPackFromPath(GetResourcesPakFilePath(@"chrome_200_percent", nil),
                         SCALE_FACTOR_200P);
   }
 
@@ skipping 129 matching lines @@
 
   // Another thread raced the load and has already cached the image.
   if (images_.count(resource_id))
     return images_[resource_id];
 
   images_[resource_id] = image;
   return images_[resource_id];
 }
 
 }  // namespace ui