Add content API for requesting the current geolocation

content/browser/geolocation/geolocation_observer.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_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
@@ skipping 30 matching lines @@
   template <typename MAP>
   static GeolocationObserverOptions Collapse(const MAP& options_map) {
     for (typename MAP::const_iterator it = options_map.begin();
          it != options_map.end(); ++it) {
       if (it->second.use_high_accuracy)
         return GeolocationObserverOptions(true);
     }
     return GeolocationObserverOptions(false);
   }
 
+  // Collapse options with another instance so that both are satisfied.
+  void Collapse(const GeolocationObserverOptions& other) {
+    use_high_accuracy = use_high_accuracy | other.use_high_accuracy;
+  }
+
   bool use_high_accuracy;
 };
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_