Add plumbing for platform based Device Motion testing.

webkit/support/webkit_support.cc

 // Copyright (c) 2012 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.
 
 #include "webkit/support/webkit_support.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 677 matching lines @@
 
 // Logging
 void EnableWebCoreLogChannels(const std::string& channels) {
   webkit_glue::EnableWebCoreLogChannels(channels);
 }
 
 void SetGamepadData(const WebKit::WebGamepads& pads) {
   test_environment->webkit_platform_support()->setGamepadData(pads);
 }
 
+void SetDeviceMotionData(const WebKit::WebDeviceMotionData& data) {
+  test_environment->webkit_platform_support()->setDeviceMotionData(data);
+}
+
 }  // namespace webkit_support