Remove ResourceIdCanonicalizer from DriveServiceInterface

chrome/browser/drive/drive_api_util.h

Index: chrome/browser/drive/drive_api_util.h
diff --git a/chrome/browser/drive/drive_api_util.h b/chrome/browser/drive/drive_api_util.h
index 80180c3a1bf9fe13684e679a115b1725001e11a5..291e588233a33ea4ad81698cd25527cee08363f8 100644
--- a/chrome/browser/drive/drive_api_util.h
+++ b/chrome/browser/drive/drive_api_util.h
@@ -8,7 +8,6 @@
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
-#include "chrome/browser/drive/drive_service_interface.h"
 #include "google_apis/drive/drive_common_callbacks.h"
 #include "google_apis/drive/gdata_errorcode.h"
 
@@ -67,9 +66,6 @@ std::string ExtractResourceIdFromUrl(const GURL& url);
 // into the new format.
 std::string CanonicalizeResourceId(const std::string& resource_id);
 
-// Returns a ResourceIdCanonicalizer which returns the argument.
-ResourceIdCanonicalizer GetIdentityResourceIdCanonicalizer();
-
 // Note: Following constants and a function are used to support GetShareUrl on
 // Drive API v2. Unfortunately, there is no support on Drive API v2, so we need
 // to fall back to GData WAPI for the GetShareUrl. Thus, these are shared by