Move all geofencing code into its own module separate from geolocation.

Source/modules/geofencing/NavigatorGeofencing.h

Index: Source/modules/geofencing/NavigatorGeofencing.h
diff --git a/Source/modules/push_messaging/NavigatorPushManager.h b/Source/modules/geofencing/NavigatorGeofencing.h
similarity index 37%
copy from Source/modules/push_messaging/NavigatorPushManager.h
copy to Source/modules/geofencing/NavigatorGeofencing.h
index 29f508f3964178758ca3f32ab993552ec3ffb740..b1b149709f39d7d9f45a348531113c3e802943ac 100644
--- a/Source/modules/push_messaging/NavigatorPushManager.h
+++ b/Source/modules/geofencing/NavigatorGeofencing.h
@@ -2,35 +2,38 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef NavigatorPushManager_h
-#define NavigatorPushManager_h
+#ifndef NavigatorGeofencing_h
+#define NavigatorGeofencing_h
 
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class Geofencing;
 class Navigator;
-class PushManager;
 
-class NavigatorPushManager FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorPushManager>, public WillBeHeapSupplement<Navigator> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorPushManager);
+class NavigatorGeofencing FINAL
+    : public NoBaseWillBeGarbageCollectedFinalized<NavigatorGeofencing>
+    , public WillBeHeapSupplement<Navigator> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorGeofencing);
+
 public:
-    virtual ~NavigatorPushManager();
-    static NavigatorPushManager& from(Navigator&);
+    virtual ~NavigatorGeofencing();
+    static NavigatorGeofencing& from(Navigator&);
 
-    static PushManager* push(Navigator&);
-    PushManager* pushManager();
+    static Geofencing* geofencing(Navigator&);
+    Geofencing* geofencing();
 
-    void trace(Visitor*);
+    virtual void trace(Visitor*) OVERRIDE;
 
 private:
-    NavigatorPushManager();
+    NavigatorGeofencing();
     static const char* supplementName();
 
-    PersistentWillBeMember<PushManager> m_pushManager;
+    PersistentWillBeMember<Geofencing> m_geofencing;
 };
 
 } // namespace blink
 
-#endif // NavigatorPushManager_h
+#endif // NavigatorGeofencing_h