Implement the Blink part of the Device Motion API.

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

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Pawel Hajdan (phajdan.jr@chromium.org)
  * Copyright (C) 2012 Apple 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
@@ skipping 252 matching lines @@
 
     // Retrieves the text surrounding a position in a text node.
     // Expects the first argument to be a text node, the second and third to be
     // point coordinates relative to the node and the fourth the maximum text
     // length to retrieve.
     void textSurroundingNode(const CppArgumentList&, CppVariant*);
 
     void enableAutoResizeMode(const CppArgumentList&, CppVariant*);
     void disableAutoResizeMode(const CppArgumentList&, CppVariant*);
 
-    // DeviceOrientation related functions
+    // DeviceOrientation / DeviceMotion related functions
+    void setMockDeviceMotion(const CppArgumentList&, CppVariant*);
+    void fireMockDeviceMotion(const CppArgumentList&, CppVariant*);
     void setMockDeviceOrientation(const CppArgumentList&, CppVariant*);
 
     void didAcquirePointerLock(const CppArgumentList&, CppVariant*);
     void didNotAcquirePointerLock(const CppArgumentList&, CppVariant*);
     void didLosePointerLock(const CppArgumentList&, CppVariant*);
     void setPointerLockWillFailSynchronously(const CppArgumentList&, CppVariant*);
     void setPointerLockWillRespondAsynchronously(const CppArgumentList&, CppVariant*);
 
     ///////////////////////////////////////////////////////////////////////////
     // Methods modifying WebPreferences.
@@ skipping 408 matching lines @@
     enum {
         PointerLockWillSucceed,
         PointerLockWillRespondAsync,
         PointerLockWillFailSync,
     } m_pointerLockPlannedResult;
 };
 
 }
 
 #endif // TestRunner_h