Implement the Blink part of the Device Motion API.

Source/Platform/chromium/public/WebDeviceMotionListener.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
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebMediaSource_h
-#define WebMediaSource_h
-
-#include "../../../Platform/chromium/public/WebURL.h"
-#include "WebTimeRange.h"
+#ifndef WebDeviceMotionListener_h
+#define WebDeviceMotionListener_h

[darin (slow to review), 2013/05/23 19:08:09]

You might want to tweak the --similarity argument since git-cl seems to
incorrectly regard this new file as a derivative of WebMediaSource.h

[timvolodine, 2013/05/23 19:30:31]

hmm I am already using --similarity=80 for this CL..
Done.

 
 namespace WebKit {
 
-class WebMediaSourceClient;
+class WebDeviceMotionData;
 
-class WebMediaSource {
+class WebDeviceMotionListener {
 public:
-    virtual ~WebMediaSource() { };
-    virtual void open(WebMediaSourceClient*) = 0;
+    // This method is called every time new device motion data is available.
+    virtual void didChangeDeviceMotion(const WebDeviceMotionData&) = 0;
 };
 
 } // namespace WebKit
 
-#endif
+#endif // WebDeviceMotionListener_h