Expose mock geofencing service via testRunner.

content/child/geofencing/web_geofencing_provider_impl.h

Index: content/child/geofencing/web_geofencing_provider_impl.h
diff --git a/content/child/geofencing/web_geofencing_provider_impl.h b/content/child/geofencing/web_geofencing_provider_impl.h
index 9aac7951731d80ca68f90461d43f116c78e32616..f1c75062f99832fe3e1631c527a9b404dc39dbc3 100644
--- a/content/child/geofencing/web_geofencing_provider_impl.h
+++ b/content/child/geofencing/web_geofencing_provider_impl.h
@@ -34,6 +34,15 @@ class WebGeofencingProviderImpl
       blink::WebServiceWorkerRegistration* service_worker_registration,
       blink::WebGeofencingRegionsCallbacks* callbacks);
 
+  virtual void setMockProvider(
+      blink::WebServiceWorkerRegistration* service_worker_registration,
+      bool service_available);
+  virtual void clearMockProvider(blink::WebServiceWorkerRegistration*);
+  virtual void setMockPosition(
+      blink::WebServiceWorkerRegistration* service_worker_registration,
+      double latitude,
+      double longitude);
+
   GeofencingDispatcher* GetDispatcher();
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;