Introduce IEImporterTestRegistryOverrider to be able to override the registry for a test and flag t…

chrome/browser/importer/ie_importer.h

Index: chrome/browser/importer/ie_importer.h
diff --git a/chrome/browser/importer/ie_importer.h b/chrome/browser/importer/ie_importer.h
index 533061052d870282e9acfa58e8bf517628997c33..eee9fbcdfbcdda2570aba5ddf8bfca076658f642 100644
--- a/chrome/browser/importer/ie_importer.h
+++ b/chrome/browser/importer/ie_importer.h
@@ -12,6 +12,7 @@
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/string16.h"
+#include "chrome/browser/importer/ie_importer_test_registry_overrider_win.h"
 #include "chrome/browser/importer/importer.h"
 #include "chrome/browser/importer/profile_writer.h"
 
@@ -79,6 +80,9 @@ class IEImporter : public Importer {
   // fake source.
   base::FilePath source_path_;
 
+  // Used to override the registry for IEImporterTests if needed.
+  IEImporterTestRegistryOverrider test_registry_overrider_;
+
   DISALLOW_COPY_AND_ASSIGN(IEImporter);
 };