Move core pieces of geolocation from chrome to content....

content/browser/geolocation/geolocation_observer.h

Index: content/browser/geolocation/geolocation_observer.h
===================================================================
--- content/browser/geolocation/geolocation_observer.h	(revision 0)
+++ content/browser/geolocation/geolocation_observer.h	(working copy)
@@ -2,10 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
-#define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
+#ifndef CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
+#define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
 #pragma once
 
+#include "base/basictypes.h"
+
 struct Geoposition;
 
 // This interface is implemented by observers of GeolocationProvider as
@@ -46,4 +48,4 @@
   bool use_high_accuracy;
 };
 
-#endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_
+#endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_OBSERVER_H_