Rename FilePath -> base::FilePath in various toplevel directories

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 a0fc92d61895a48a84e2bcf8456c405e6cb36f12..0c44799789491d983b0955e0387f8502ef91975b 100644
--- a/chrome_frame/test/delete_chrome_history_test.cc
+++ b/chrome_frame/test/delete_chrome_history_test.cc
@@ -97,9 +97,9 @@ 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;
+  base::FilePath root_path;
   GetChromeFrameProfilePath(kIexploreProfileName, &root_path);
-  FilePath profile_path(
+  base::FilePath profile_path(
       root_path.Append(L"Default").Append(chrome::kWebDataFilename));
 
   WebDatabase web_database;