Move ReadFileToString to the base namespace.

chrome/test/base/web_ui_browsertest.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/test/base/web_ui_browsertest.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 439 matching lines @@
 
 void WebUIBrowserTest::BuildJavascriptLibraries(string16* content) {
   ASSERT_TRUE(content != NULL);
   std::string utf8_content;
   std::vector<base::FilePath>::iterator user_libraries_iterator;
   for (user_libraries_iterator = user_libraries_.begin();
        user_libraries_iterator != user_libraries_.end();
        ++user_libraries_iterator) {
     std::string library_content;
     if (user_libraries_iterator->IsAbsolute()) {
-      ASSERT_TRUE(file_util::ReadFileToString(*user_libraries_iterator,
+      ASSERT_TRUE(base::ReadFileToString(*user_libraries_iterator,
                                               &library_content))
           << user_libraries_iterator->value();
     } else {
-      bool ok = file_util::ReadFileToString(
+      bool ok = base::ReadFileToString(
           gen_test_data_directory_.Append(*user_libraries_iterator),
           &library_content);
       if (!ok) {
-        ok = file_util::ReadFileToString(
+        ok = base::ReadFileToString(
             test_data_directory_.Append(*user_libraries_iterator),
             &library_content);
       }
       ASSERT_TRUE(ok) << user_libraries_iterator->value();
     }
     utf8_content.append(library_content);
     utf8_content.append(";\n");
   }
   content->append(UTF8ToUTF16(utf8_content));
 }
@@ skipping 297 matching lines @@
 // testDone directly and expect pass result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPassesAsync) {
   ASSERT_TRUE(RunJavascriptAsyncTest("testDone"));
 }
 
 // Test that calling testDone during RunJavascriptTest still completes when
 // waiting for async result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPasses) {
   ASSERT_TRUE(RunJavascriptTest("testDone"));
 }