Implement the Blink part of the Device Motion API.

Tools/DumpRenderTree/chromium/TestRunner/public/WebTestDelegate.h

 /*
  * Copyright (C) 2012 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 21 matching lines @@
 #define WebTestDelegate_h
 
 #include "Platform/chromium/public/WebString.h"
 #include "Platform/chromium/public/WebURL.h"
 #include "Platform/chromium/public/WebVector.h"
 #include <string>
 
 #define WEBTESTRUNNER_NEW_HISTORY_CAPTURE
 
 namespace WebKit {
+class WebDeviceMotionHandler;
 class WebFrame;
 class WebGamepads;
 class WebHistoryItem;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 struct WebRect;
 struct WebURLError;
 }
 
 namespace WebTestRunner {
 
 struct WebPreferences;
 class WebTask;
 class WebTestProxyBase;
 
 class WebTestDelegate {
 public:
     // Set and clear the edit command to execute on the next call to
     // WebViewClient::handleCurrentKeyboardEvent().
     virtual void clearEditCommand() = 0;
     virtual void setEditCommand(const std::string& name, const std::string& value) = 0;
 
     // Set the gamepads to return from Platform::sampleGamepads().
     virtual void setGamepadData(const WebKit::WebGamepads&) = 0;
 
+    // Set the WebDeviceMotionHandler to return from Platform::deviceMotionHandler().
+    virtual void setDeviceMotionHandler(WebKit::WebDeviceMotionHandler*) { };
+
     // Add a message to the text dump for the layout test.
     virtual void printMessage(const std::string& message) = 0;
 
     // The delegate takes ownership of the WebTask objects and is responsible
     // for deleting them.
     virtual void postTask(WebTask*) = 0;
     virtual void postDelayedTask(WebTask*, long long ms) = 0;
 
     // Register a new isolated filesystem with the given files, and return the
     // new filesystem id.
@@ skipping 81 matching lines @@
     // given WebTestProxyBase as well as the index of the current entry.
     virtual void captureHistoryForWindow(WebTestProxyBase*, WebKit::WebVector<WebKit::WebHistoryItem>*, size_t* currentEntryIndex) = 0;
 
     // Returns a media player corresponding to |url| as src.
     virtual WebKit::WebMediaPlayer* createWebMediaPlayer(WebKit::WebFrame*, const WebKit::WebURL&, WebKit::WebMediaPlayerClient*) = 0;
 };
 
 }
 
 #endif // WebTestDelegate_h