Add scale factor tag to data packs

webkit/support/platform_support_mac.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.
 
 #include "webkit/support/platform_support.h"
 
 #import <AppKit/AppKit.h>
 #include <AvailabilityMacros.h>
 #import <Foundation/Foundation.h>
 #import <objc/objc-runtime.h>
@@ skipping 85 matching lines @@
   SwizzleAllMethods(object_getClass(imposterClass),
                     object_getClass(originalClass));
 #endif
 }
 
 void AfterInitialize(bool unit_test_mode) {
   if (unit_test_mode)
     return;  // We don't have a resource pack when running the unit-tests.
 
   // Load a data pack.
-  g_resource_data_pack = new ui::DataPack;
+  g_resource_data_pack = new ui::DataPack(ui::ResourceHandle::kScaleFactor1x);
   NSString* resource_path =
       [base::mac::FrameworkBundle() pathForResource:@"DumpRenderTree"
                                              ofType:@"pak"];
   FilePath resources_pak_path([resource_path fileSystemRepresentation]);
   if (!g_resource_data_pack->Load(resources_pak_path)) {
     LOG(FATAL) << "failed to load DumpRenderTree.pak";
   }
 
   // Load font files in the resource folder.
   static const char* const fontFileNames[] = {
@@ skipping 129 matching lines @@
       }
     }
     return resize_corner_data;
   }
   }
   base::StringPiece res;
   if (g_resource_data_pack)
     g_resource_data_pack->GetStringPiece(resource_id, &res);
   return res;
 }