Implement the Blink part of the Device Motion API.

Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionProvider.h

+// Copyright (c) 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 MockWebDeviceMotionProvider_h
+#define MockWebDeviceMotionProvider_h
+
+#include "base/memory/scoped_ptr.h"
+#include "base/shared_memory.h"
+#include "base/time.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebDeviceMotionProvider.h"
+
+namespace WebKit {
+class WebDeviceMotionData;
+class WebDeviceMotionListener;
+}
+
+namespace WebTestRunner {
+
+class MockWebDeviceMotionProvider : public WebKit::WebDeviceMotionProvider {
+public:
+    MockWebDeviceMotionProvider() { }
+    virtual ~MockWebDeviceMotionProvider() { }
+
+    // Sets the listener to receive updates for device motion data at
+    // regular intervals.
+    virtual void setListener(WebKit::WebDeviceMotionListener*) OVERRIDE;
+
+    void fireEvent(WebKit::WebDeviceMotionData&);
+
+private:
+    WebKit::WebDeviceMotionListener* m_listener;
+
+};
+
+} // namespace WebTestRunner
+
+#endif // MockWebDeviceMotionProvider_h