Move a bunch of code in content\renderer to the content namespace.

content/renderer/mouse_lock_dispatcher.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_
 #define CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 
 namespace WebKit {
 class WebMouseEvent;
 }  // namespace WebKit
 
+namespace content {
+
 class CONTENT_EXPORT MouseLockDispatcher {
  public:
   MouseLockDispatcher();
   virtual ~MouseLockDispatcher();
 
   class LockTarget {
    public:
     virtual ~LockTarget() {}
     // A mouse lock request was pending and this reports success or failure.
     virtual void OnLockMouseACK(bool succeeded) = 0;
@@ skipping 48 matching lines @@
   bool unlocked_by_target_;
 
   // |target_| is the pending or current owner of mouse lock. We retain a non
   // owning reference here that must be cleared by |OnLockTargetDestroyed|
   // when it is destroyed.
   LockTarget* target_;
 
   DISALLOW_COPY_AND_ASSIGN(MouseLockDispatcher);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_