resources: Prevent including the same resource in multiple pack files.

chrome/test/base/javascript_browser_test.cc

 // Copyright 2014 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 "chrome/test/base/javascript_browser_test.h"
 
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/browser/web_ui.h"
@@ skipping 34 matching lines @@
 
   base::FilePath gen_test_data_directory;
   ASSERT_TRUE(
       PathService::Get(chrome::DIR_GEN_TEST_DATA, &gen_test_data_directory));
   library_search_paths_.push_back(gen_test_data_directory);
 
   base::FilePath source_root_directory;
   ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &source_root_directory));
   library_search_paths_.push_back(source_root_directory);
 
-  base::FilePath resources_pack_path;
-  PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
-  ResourceBundle::GetSharedInstance().AddDataPackFromPath(
-      resources_pack_path, ui::SCALE_FACTOR_NONE);
-
   AddLibrary(base::FilePath(kMockJSPath));
   AddLibrary(base::FilePath(kWebUILibraryJS));
 }
 
 // TODO(dtseng): Make this return bool (success/failure) and remove ASSERt_TRUE
 // calls.
 void JavaScriptBrowserTest::BuildJavascriptLibraries(
     std::vector<base::string16>* libraries) {
   ASSERT_TRUE(libraries != NULL);
   std::vector<base::FilePath>::iterator user_libraries_iterator;
@@ skipping 44 matching lines @@
   ConstValueVector::const_iterator arguments_iterator;
   for (arguments_iterator = test_func_args.begin();
        arguments_iterator != test_func_args.end();
        ++arguments_iterator) {
     baked_argument_list->Append((*arguments_iterator)->DeepCopy());
   }
   arguments.push_back(baked_argument_list);
   return content::WebUI::GetJavascriptCall(std::string("runTest"),
                                            arguments.get());
 }