Move ReadFileToString to the base namespace.

webkit/browser/fileapi/isolated_file_util_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 <map>
 #include <queue>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 166 matching lines @@
               AsyncFileTestHelper::GetPlatformPath(
                   file_system_context(), url2, &platform_path2));
 
     // See if file info matches with the other one.
     EXPECT_EQ(info1.is_directory, info2.is_directory);
     EXPECT_EQ(info1.size, info2.size);
     EXPECT_EQ(info1.is_symbolic_link, info2.is_symbolic_link);
     EXPECT_NE(platform_path1, platform_path2);
 
     std::string content1, content2;
-    EXPECT_TRUE(file_util::ReadFileToString(platform_path1, &content1));
-    EXPECT_TRUE(file_util::ReadFileToString(platform_path2, &content2));
+    EXPECT_TRUE(base::ReadFileToString(platform_path1, &content1));
+    EXPECT_TRUE(base::ReadFileToString(platform_path2, &content2));
     EXPECT_EQ(content1, content2);
   }
 
   void VerifyDirectoriesHaveSameContent(const FileSystemURL& root1,
                                         const FileSystemURL& root2) {
     base::FilePath root_path1 = root1.path();
     base::FilePath root_path2 = root2.path();
 
     FileEntryList entries;
     std::queue<FileSystemURL> directories;
@@ skipping 339 matching lines @@
     EXPECT_EQ(base::PLATFORM_FILE_OK,
               file_util()->Truncate(GetOperationContext().get(), url, 999));
     ASSERT_EQ(base::PLATFORM_FILE_OK,
               file_util()->GetFileInfo(GetOperationContext().get(), url,
                                        &info, &platform_path));
     EXPECT_EQ(999, info.size);
   }
 }
 
 }  // namespace fileapi