Share the "get CF profile dir" code between ChromeFramePlugin and chrome_frame_test_utils.h.

chrome_frame/test/delete_chrome_history_test.cc

Index: chrome_frame/test/delete_chrome_history_test.cc
diff --git a/chrome_frame/test/delete_chrome_history_test.cc b/chrome_frame/test/delete_chrome_history_test.cc
index 75fa48b3bed6e7c67590c6147b2ab41fe034d7b4..ee4cfcf5b253a8f862a7394c43cbffd0986c176e 100644
--- a/chrome_frame/test/delete_chrome_history_test.cc
+++ b/chrome_frame/test/delete_chrome_history_test.cc
@@ -97,9 +97,10 @@ const size_t kBlankPngFileLength = 95;
 // Looks up |element_name| in the Chrome form data DB and ensures that the
 // results match |matcher|.
 ACTION_P2(ExpectFormValuesForElementNameMatch, element_name, matcher) {
+  FilePath root_path;
+  GetChromeFrameProfilePath(kIexploreProfileName, &root_path);
   FilePath profile_path(
-      chrome_frame_test::GetProfilePath(kIexploreProfileName)
-          .Append(L"Default").Append(chrome::kWebDataFilename));
+      root_path.Append(L"Default").Append(chrome::kWebDataFilename));
 
   WebDatabase web_database;
   sql::InitStatus init_status = web_database.Init(profile_path);