Geolocation: change GeolocationDelegate to injected by content/

content/browser/geolocation/geolocation_provider_impl.h

Index: content/browser/geolocation/geolocation_provider_impl.h
diff --git a/content/browser/geolocation/geolocation_provider_impl.h b/content/browser/geolocation/geolocation_provider_impl.h
index 3a6e77950ef8b620399e58235d19aded734a6e86..b7c7e9dcbc9ed7681dad836f2f831a8500e88475 100644
--- a/content/browser/geolocation/geolocation_provider_impl.h
+++ b/content/browser/geolocation/geolocation_provider_impl.h
@@ -22,7 +22,6 @@ template<typename Type> struct DefaultSingletonTraits;
 }
 
 namespace content {
-class GeolocationDelegate;
 class LocationArbitrator;
 
 class CONTENT_EXPORT GeolocationProviderImpl
@@ -92,9 +91,6 @@ class CONTENT_EXPORT GeolocationProviderImpl
   // True only in testing, where we want to use a custom position.
   bool ignore_location_updates_;
 
-  // The system provided Delegate for the |arbitrator_|.
-  std::unique_ptr<GeolocationDelegate> delegate_;
-
   // Only to be used on the geolocation thread.
   std::unique_ptr<LocationArbitrator> arbitrator_;