Implement the Blink part of the Device Motion API.

Source/Platform/chromium/public/WebDeviceMotionHandler.h

+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
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+ *
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ */
+
+#ifndef WebDeviceMotionHandler_h
+#define WebDeviceMotionHandler_h
+
+namespace WebKit {
+
+class WebDeviceMotionListener;
+
+// Abstract interface for the Device Motion API.
+

[Peter Beverloo, 2013/04/29 17:38:03]

nit: no new line.

[timvolodine, 2013/04/30 12:40:18]

Done.

+class WebDeviceMotionHandler {
+public:
+    // Starts updating the supplied listener with device motion data at regular intervals.

[Peter Beverloo, 2013/04/29 17:38:03]

Will start distributing device motion data to the supplied listener.

[timvolodine, 2013/04/30 12:40:18]

Done.

+    virtual void startListeningToDeviceMotion(WebDeviceMotionListener*);
+
+    // Stops updating the current listener with device motion data.
+    virtual void stopListeningToDeviceMotion();
+};
+
+} // namespace WebKit
+
+#endif // WebDeviceMotionHandler_h