Pass through geofencing API calls to the content layer.

public/platform/WebGeofencingRegistration.h

Index: public/platform/WebGeofencingRegistration.h
diff --git a/public/platform/WebGeofencingRegistration.h b/public/platform/WebGeofencingRegistration.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c8e69533065a421e089e4e252766ec38eeaacff
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+++ b/public/platform/WebGeofencingRegistration.h
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+// Copyright 2014 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.
+
+#ifndef WebGeofencingRegistration_h
+#define WebGeofencingRegistration_h
+
+#include "WebCircularGeofencingRegion.h"
+#include "WebString.h"
+
+namespace blink {
+
+struct WebGeofencingRegistration {
+    WebString id;
+    WebCircularGeofencingRegion region;
+
+    WebGeofencingRegistration() { }
+};
+
+} // namespace blink
+
+#endif // WebGeofencingRegistration_h