Pass through geofencing API calls to the content layer.

public/platform/WebCircularRegion.h

Index: public/platform/WebCircularRegion.h
diff --git a/public/platform/WebCircularRegion.h b/public/platform/WebCircularRegion.h
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index 0000000000000000000000000000000000000000..3d961672b9302566474f6584cf0b5bdf82dc5337
--- /dev/null
+++ b/public/platform/WebCircularRegion.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 WebCircularRegion_h
+#define WebCircularRegion_h
+
+#include "WebCommon.h"
+#include "WebGeofencingRegion.h"
+#include "WebPrivatePtr.h"
+
+namespace blink {
+
+class WebCircularRegionPrivate;
+
+class WebCircularRegion : public WebGeofencingRegion {
+public:
+    WebCircularRegion(const WebCircularRegion& other) { assign(other); }
+    WebCircularRegion& operator=(const WebCircularRegion& other)
+    {
+        assign(other);
+        return *this;
+    }
+
+    BLINK_PLATFORM_EXPORT static WebCircularRegion create(const WebString& id, double latitude, double longitude, double radius);
+
+    BLINK_PLATFORM_EXPORT double latitude() const;
+    BLINK_PLATFORM_EXPORT double longitude() const;
+    BLINK_PLATFORM_EXPORT double radius() const;
+
+private:
+    friend class WebGeofencingRegion;
+
+    WebCircularRegion() { }
+
+    WebCircularRegionPrivate* privateData() const;
+};
+
+} // namespace blink
+
+#endif // WebCircularRegion_h