Move ReadFileToString to the base namespace.

chrome/browser/printing/print_dialog_cloud_unittest.cc

 // 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 "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_dialog_cloud_internal.h"
 
 #include <string>
 #include <vector>
 
@@ skipping 43 matching lines @@
   base::FilePath test_data_directory;
   PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory);
   base::FilePath test_file = test_data_directory.AppendASCII(kPDFTestFile);
   return test_file;
 }
 
 char* GetTestData() {
   static std::string sTestFileData;
   if (sTestFileData.empty()) {
     base::FilePath test_file = GetTestDataFileName();
-    file_util::ReadFileToString(test_file, &sTestFileData);
+    base::ReadFileToString(test_file, &sTestFileData);
   }
   return &sTestFileData[0];
 }
 
 MATCHER_P(StringValueEq, expected, "StringValue") {
   if (expected->Equals(&arg))
     return true;
   std::string expected_string, arg_string;
   expected->GetAsString(&expected_string);
   arg.GetAsString(&arg_string);
@@ skipping 266 matching lines @@
   std::vector<WebUIMessageHandler*> handlers;
   delegate_->GetWebUIMessageHandlers(&handlers);
   delegate_.reset();
   EXPECT_THAT(mock_flow_handler_.get(), NotNull());
 }
 
 // Testing for ExternalWebDialogUI needs a mock WebContents and mock
 // CloudPrintWebDialogDelegate (attached to the mock web_contents).
 
 // Testing for PrintDialogCloud needs a mock Browser.