Modify fileAtPath stat to track if the call was redirected by chrome_elf.

TEST=Manual: Start chrome.exe, wait ~60s and check chrome://histograms, the Stability.FileAtPath metric should have run (at least) once, and the resulting value should be 6, assuming the check succeeded.

Review URL: https://codereview.chromium.org/169093007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253251 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/DEPS b/chrome/browser/DEPS
index d65938c..9b4ece3 100644
--- a/chrome/browser/DEPS
+++ b/chrome/browser/DEPS
@@ -4,6 +4,7 @@
   "+chrome/app",
   "+chrome/installer",
   "+chrome_elf/blacklist",
+  "+chrome_elf/create_file",
   "+chromeos",
   "+components/autofill/content/browser",
   "+components/autofill/content/common",