Make the Geoposition helper class public

content/public/browser/geolocation.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_GEOLOCATION_H_
 #define CONTENT_PUBLIC_BROWSER_GEOLOCATION_H_
 #pragma once
 
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
+struct Geoposition;
+
 // Overrides the current location for testing. This function may be called on
 // any thread. The completion callback will be invoked asynchronously on the
 // calling thread when the override operation is completed.
 // This should be used instead of a mock location provider for a simpler way
 // to provide fake location results when not testing the innards of the
 // geolocation code.
 void CONTENT_EXPORT OverrideLocationForTesting(
-    double latitude,
-    double longitude,
-    double altitude,
+    const Geoposition& position,
     const base::Closure& completion_callback);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_GEOLOCATION_H_