Add methods to add DataPack from open files

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 90 matching lines @@
 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(ui::SCALE_FACTOR_100P);
   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)) {
+  if (!g_resource_data_pack->LoadFromPath(resources_pak_path)) {
     LOG(FATAL) << "failed to load DumpRenderTree.pak";
   }
 
   // Load font files in the resource folder.
   static const char* const fontFileNames[] = {
       "AHEM____.TTF",
       // We don't register WebKitWeightWather fonts because of
       // webkit.org/b/50709.
   };
 
@@ skipping 126 matching lines @@
       }
     }
     return resize_corner_data;
   }
   }
   base::StringPiece res;
   if (g_resource_data_pack)
     g_resource_data_pack->GetStringPiece(resource_id, &res);
   return res;
 }