Make async methods UpdateLock() and ResetLock() in MockScreenOrientationController.

content/renderer/screen_orientation/mock_screen_orientation_controller.h

 // Copyright 2014 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_SCREEN_ORIENTATION_MOCK_SCREEN_ORIENTATION_CONTROLLER_H_
 #define CONTENT_RENDERER_SCREEN_ORIENTATION_MOCK_SCREEN_ORIENTATION_CONTROLLER_H_
 
+#include "base/lazy_instance.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationType.h"
 
 namespace blink {
 class WebScreenOrientationListener;
 }
 
 namespace content {
 
-class MockScreenOrientationController {
+class MockScreenOrientationController
+    : public base::RefCountedThreadSafe<MockScreenOrientationController> {
  public:
   MockScreenOrientationController();
 
   void SetListener(blink::WebScreenOrientationListener* listener);
   void ResetData();
   void UpdateLock(blink::WebScreenOrientationLockType);
   void ResetLock();
   void UpdateDeviceOrientation(blink::WebScreenOrientationType);
 
  private:
+  // Private destructor to make clang compiler checks happy.
+  ~MockScreenOrientationController() { }

[mlamouri (slow - plz ping), 2014/05/28 13:23:24]

Please, make the dtor virtual, remove the comment and move the definition to the
cc file.

[ostap, 2014/05/28 14:40:21]

Done.

+
+  void UpdateLockSync(blink::WebScreenOrientationLockType);
+  void ResetLockSync();
   void UpdateScreenOrientation(blink::WebScreenOrientationType);
   bool IsOrientationAllowedByCurrentLock(blink::WebScreenOrientationType);
   blink::WebScreenOrientationType SuitableOrientationForCurrentLock();
 
   blink::WebScreenOrientationLockType current_lock_;
   blink::WebScreenOrientationType device_orientation_;
   blink::WebScreenOrientationType current_orientation_;
   blink::WebScreenOrientationListener* listener_;
 
   DISALLOW_COPY_AND_ASSIGN(MockScreenOrientationController);
+  friend class base::LazyInstance<MockScreenOrientationController>;
+  friend class base::RefCountedThreadSafe<MockScreenOrientationController>;
 };
 
 } // namespace content
 
 #endif // CONTENT_RENDERER_SCREEN_ORIENTATION_MOCK_SCREEN_ORIENTATION_CONTROLLER_H_