Move ReadFileToString to the base namespace.

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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/browser/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 3481 matching lines @@
     blacklist->Append(new base::StringValue("*"));
   }
 
   // Install a component extension.
   base::FilePath path = data_dir_
       .AppendASCII("good")
       .AppendASCII("Extensions")
       .AppendASCII(good0)
       .AppendASCII("1.0.0.0");
   std::string manifest;
-  ASSERT_TRUE(file_util::ReadFileToString(
+  ASSERT_TRUE(base::ReadFileToString(
       path.Append(extensions::kManifestFilename), &manifest));
   service_->component_loader()->Add(manifest, path);
   service_->Init();
 
   // Extension should be installed despite blacklist.
   ASSERT_EQ(1u, service_->extensions()->size());
   EXPECT_TRUE(service_->GetExtensionById(good0, false));
 
   // Poke external providers and make sure the extension is still present.
   service_->CheckForExternalUpdates();
@@ skipping 1530 matching lines @@
   // Component extensions should work even when extensions are disabled.
   set_extensions_enabled(false);
 
   base::FilePath path = data_dir_
       .AppendASCII("good")
       .AppendASCII("Extensions")
       .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
       .AppendASCII("1.0.0.0");
 
   std::string manifest;
-  ASSERT_TRUE(file_util::ReadFileToString(
+  ASSERT_TRUE(base::ReadFileToString(
       path.Append(extensions::kManifestFilename), &manifest));
 
   service_->component_loader()->Add(manifest, path);
   service_->Init();
 
   // Note that we do not pump messages -- the extension should be loaded
   // immediately.
 
   EXPECT_EQ(0u, GetErrors().size());
   ASSERT_EQ(1u, loaded_.size());
@@ skipping 33 matching lines @@
                  &flare_was_called,  // Safe due to WeakPtrFactory scope.
                  &triggered_type));  // Safe due to WeakPtrFactory scope.
 
   // Install a component extension.
   base::FilePath path = data_dir_
       .AppendASCII("good")
       .AppendASCII("Extensions")
       .AppendASCII(good0)
       .AppendASCII("1.0.0.0");
   std::string manifest;
-  ASSERT_TRUE(file_util::ReadFileToString(
+  ASSERT_TRUE(base::ReadFileToString(
       path.Append(extensions::kManifestFilename), &manifest));
   service_->component_loader()->Add(manifest, path);
   ASSERT_FALSE(service_->is_ready());
   service_->Init();
   ASSERT_TRUE(service_->is_ready());
 
   // Extensions added before service is_ready() don't trigger sync startup.
   EXPECT_FALSE(flare_was_called);
   ASSERT_EQ(syncer::UNSPECIFIED, triggered_type);
 }
@@ skipping 1252 matching lines @@
   EXPECT_TRUE(notifications.CheckNotifications(
       chrome::NOTIFICATION_EXTENSION_INSTALLED));
 
   EXPECT_TRUE(service_->GetInstalledExtension(id));
   EXPECT_FALSE(service_->extensions()->Contains(id));
   EXPECT_TRUE(service_->blacklisted_extensions()->Contains(id));
   EXPECT_TRUE(service_->extension_prefs()->IsExtensionBlacklisted(id));
   EXPECT_TRUE(
       service_->extension_prefs()->IsBlacklistedExtensionAcknowledged(id));
 }