Change google_api::RequestSender to take an AuthService instead of a Profile.

chrome/browser/drive/gdata_wapi_service.h

Index: chrome/browser/drive/gdata_wapi_service.h
diff --git a/chrome/browser/drive/gdata_wapi_service.h b/chrome/browser/drive/gdata_wapi_service.h
index 5674cbc63d7142f139229e032a5bf4610797e91b..297c15482d1f1a1892a97cfe1793bcb6687fcc0f 100644
--- a/chrome/browser/drive/gdata_wapi_service.h
+++ b/chrome/browser/drive/gdata_wapi_service.h
@@ -26,7 +26,6 @@ class TaskRunner;
 }
 
 namespace google_apis {
-class AuthService;
 class RequestSender;
 }
 
@@ -56,8 +55,6 @@ class GDataWapiService : public DriveServiceInterface,
                    const std::string& custom_user_agent);
   virtual ~GDataWapiService();
 
-  google_apis::AuthService* auth_service_for_testing();
-
   // DriveServiceInterface Overrides
   virtual void Initialize(Profile* profile) OVERRIDE;
   virtual void AddObserver(DriveServiceObserver* observer) OVERRIDE;