Removes the old createDataChannel and starts to use the new one with WebRTCDataChannelInit

public/platform/WebRTCDataChannelInit.h

Index: public/platform/WebRTCDataChannelInit.h
diff --git a/public/platform/WebDeviceMotionListener.h b/public/platform/WebRTCDataChannelInit.h
similarity index 78%
copy from public/platform/WebDeviceMotionListener.h
copy to public/platform/WebRTCDataChannelInit.h
index b8da1500d6afa8f7c97bb38454effb119de1a4a2..5ab0d05a61ffc54854d3ada335613d09ab6d77ba 100644
--- a/public/platform/WebDeviceMotionListener.h
+++ b/public/platform/WebRTCDataChannelInit.h
@@ -28,19 +28,29 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebDeviceMotionListener_h
-#define WebDeviceMotionListener_h
+#ifndef WebRTCDataChannelInit_h
+#define WebRTCDataChannelInit_h
 
-namespace WebKit {
+#include "WebString.h"
 
-class WebDeviceMotionData;
+namespace WebKit {
 
-class WebDeviceMotionListener {
+struct WebRTCDataChannelInit {
 public:
-    // This method is called every time new device motion data is available.
-    virtual void didChangeDeviceMotion(const WebDeviceMotionData&) = 0;
+    WebRTCDataChannelInit()
+        : ordered(true)
+        , maxRetransmitTime(-1)
+        , maxRetransmits(-1)
+        , negotiated(true)
+        , id(-1) { }
+    bool ordered;
+    int maxRetransmitTime;
+    int maxRetransmits;
+    WebString protocol;
+    bool negotiated;
+    int id;
 };
 
 } // namespace WebKit
 
-#endif // WebDeviceMotionListener_h
+#endif // WebRTCDataChannelInit_h