test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/WebTask.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_WEBTASK_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTASK_H_
 
 #include <vector>
 
-namespace WebTestRunner {
+namespace content {
 
 class WebTaskList;
 
 // WebTask represents a task which can run by WebTestDelegate::postTask() or
 // WebTestDelegate::postDelayedTask().
 class WebTask {
 public:
     explicit WebTask(WebTaskList*);
     virtual ~WebTask();
 
@@ skipping 44 matching lines @@
         m_taskList->unregisterTask(this);
         m_taskList = 0;
     }
 
     virtual void runIfValid() = 0;
 
 protected:
     T* m_object;
 };
 
-}
+}  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTASK_H_