test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/TestCommon.h

 // Copyright 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.
 
 #ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_TESTCOMMON_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_TESTCOMMON_H_
 
 #include <stdio.h>
 #include <string>
 
 #include "base/compiler_specific.h"
 
 #if defined(WIN32)
 #define snprintf(str, size, ...) _snprintf_s(str, size, size, __VA_ARGS__)
 #endif
 
-namespace WebTestRunner {
+namespace content {
 
 inline bool isASCIIAlpha(char ch) { return (ch | 0x20) >= 'a' && (ch | 0x20) <= 'z'; }
 
 inline bool isNotASCIIAlpha(char ch) { return !isASCIIAlpha(ch); }
 
 std::string normalizeLayoutTestURL(const std::string& url);
 
-}
+}  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_TESTCOMMON_H_