Move ReadFileToString to the base namespace.

chrome/browser/google_apis/base_requests_server_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/google_apis/base_requests.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 72 matching lines @@
         GetContentCallback(),
         ProgressCallback(),
         test_server_.GetURL("/files/gdata/testfile.txt"),
         GetTestCachedFilePath(
             base::FilePath::FromUTF8Unsafe("cached_testfile.txt")));
     request_sender_->StartRequestWithRetry(request);
     run_loop.Run();
   }
 
   std::string contents;
-  file_util::ReadFileToString(temp_file, &contents);
+  base::ReadFileToString(temp_file, &contents);
   base::DeleteFile(temp_file, false);
 
   EXPECT_EQ(HTTP_SUCCESS, result_code);
   EXPECT_EQ(net::test_server::METHOD_GET, http_request_.method);
   EXPECT_EQ("/files/gdata/testfile.txt", http_request_.relative_url);
 
   const base::FilePath expected_path =
       test_util::GetTestFilePath("gdata/testfile.txt");
   std::string expected_contents;
-  file_util::ReadFileToString(expected_path, &expected_contents);
+  base::ReadFileToString(expected_path, &expected_contents);
   EXPECT_EQ(expected_contents, contents);
 }
 
 TEST_F(BaseRequestsServerTest, DownloadFileRequest_NonExistentFile) {
   GDataErrorCode result_code = GDATA_OTHER_ERROR;
   base::FilePath temp_file;
   {
     base::RunLoop run_loop;
     DownloadFileRequestBase* request = new DownloadFileRequestBase(
         request_sender_.get(),
         test_util::CreateQuitCallback(
             &run_loop,
             test_util::CreateCopyResultCallback(&result_code, &temp_file)),
         GetContentCallback(),
         ProgressCallback(),
         test_server_.GetURL("/files/gdata/no-such-file.txt"),
         GetTestCachedFilePath(
             base::FilePath::FromUTF8Unsafe("cache_no-such-file.txt")));
     request_sender_->StartRequestWithRetry(request);
     run_loop.Run();
   }
   EXPECT_EQ(HTTP_NOT_FOUND, result_code);
   EXPECT_EQ(net::test_server::METHOD_GET, http_request_.method);
   EXPECT_EQ("/files/gdata/no-such-file.txt",
             http_request_.relative_url);
   // Do not verify the not found message.
 }
 
 }  // namespace google_apis