Implement the Blink part of the Device Motion API.

Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionHandler.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionHandler.cpp
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionHandler.cpp b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionHandler.cpp
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index 0000000000000000000000000000000000000000..fa2b475eaf59cda09978570f4a9a8bc244665bfe
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+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebDeviceMotionHandler.cpp
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+/*
+ * 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:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS 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.
+ */
+
+#include "config.h"
+#include "MockWebDeviceMotionHandler.h"
+
+#include "third_party/WebKit/Source/Platform/chromium/public/WebDeviceMotionListener.h"
+
+namespace WebTestRunner {
+
+// Sets the listener to receive updates for device motion data at
+// regular intervals.
+void MockWebDeviceMotionHandler::startListeningToDeviceMotion(WebKit::WebDeviceMotionListener* listener)
+{
+    m_listener = listener;
+}
+
+// Removes the current listener after which it will not receive any updates.
+void MockWebDeviceMotionHandler::stopListeningToDeviceMotion()
+{
+    m_listener = 0;
+}
+
+void MockWebDeviceMotionHandler::fireEvent(WebKit::WebDeviceMotionData& data)
+{
+    if (m_listener)
+        m_listener->didChangeDeviceMotion(data);
+}
+
+}