[NaCl SDK] Cleanup examples.

native_client_sdk/src/examples/api/mouse_lock/mouse_lock.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.
 
 #include <cmath>
 
 #include "ppapi/c/ppb_fullscreen.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/fullscreen.h"
-#include "ppapi/cpp/mouse_lock.h"
 #include "ppapi/cpp/graphics_2d.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
+#include "ppapi/cpp/mouse_lock.h"
 #include "ppapi/cpp/rect.h"
 #include "ppapi/cpp/size.h"
 #include "ppapi/cpp/var.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
 #ifdef _MSC_VER
 // Allow 'this' in initializer list
 #pragma warning(disable : 4355)
 #endif
 
-namespace mouselock {
-
 class MouseLockInstance : public pp::Instance, public pp::MouseLock {
  public:
   explicit MouseLockInstance(PP_Instance instance)
       : pp::Instance(instance),
         pp::MouseLock(this),
         mouse_locked_(false),
         waiting_for_flush_completion_(false),
         callback_factory_(this),
         fullscreen_(this),
         is_context_bound_(false),
@@ skipping 56 matching lines @@
   pp::Point mouse_movement_;
   bool waiting_for_flush_completion_;
   pp::CompletionCallbackFactory<MouseLockInstance> callback_factory_;
 
   pp::Fullscreen fullscreen_;
   pp::Graphics2D device_context_;
   bool is_context_bound_;
   bool was_fullscreen_;
   uint32_t* background_scanline_;
 };
-
-}  // namespace mouselock