test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/WebTestThemeEngineMac.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.
 
 // This implements the WebThemeEngine API in such a way that we match the Mac
 // port rendering more than usual Chromium path, thus allowing us to share
 // more pixel baselines.
 
 #ifndef CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTTHEMEENGINEMAC_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTTHEMEENGINEMAC_H_
 
 #include "base/basictypes.h"
 #include "third_party/WebKit/public/platform/WebThemeEngine.h"
 
-namespace WebTestRunner {
+namespace content {
 
 class WebTestThemeEngineMac : public blink::WebThemeEngine {
 public:
     WebTestThemeEngineMac() { }
     virtual ~WebTestThemeEngineMac() { }
 
     virtual void paintScrollbarThumb(
         blink::WebCanvas*,
         blink::WebThemeEngine::State,
         blink::WebThemeEngine::Size,
@@ skipping 10 matching lines @@
     virtual void paintNSScrollerScrollbarThumb(
         blink::WebCanvas*,
         blink::WebThemeEngine::State,
         blink::WebThemeEngine::Size,
         const blink::WebRect&,
         const blink::WebThemeEngine::ScrollbarInfo&);
 
     DISALLOW_COPY_AND_ASSIGN(WebTestThemeEngineMac);
 };
 
-}
+}  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTTHEMEENGINEMAC_H_