Consolidate RecordBrowserStartupTime() into one location

chrome/browser/chrome_browser_main_win.cc

Index: chrome/browser/chrome_browser_main_win.cc
diff --git a/chrome/browser/chrome_browser_main_win.cc b/chrome/browser/chrome_browser_main_win.cc
index 1166ee1f2f41fe4d07b59f395cf0c16b52f5f973..bffa07fadafd69e1e914cafb4708e3207cb44d64 100644
--- a/chrome/browser/chrome_browser_main_win.cc
+++ b/chrome/browser/chrome_browser_main_win.cc
@@ -99,17 +99,6 @@ void WarnAboutMinimumSystemRequirements() {
   }
 }
 
-void RecordBrowserStartupTime() {
-  // Calculate the time that has elapsed from our own process creation.
-  FILETIME creation_time = {};
-  FILETIME ignore = {};
-  ::GetProcessTimes(::GetCurrentProcess(), &creation_time, &ignore, &ignore,
-      &ignore);
-
-  RecordPreReadExperimentTime("Startup.BrowserMessageLoopStartTime",
-      base::Time::Now() - base::Time::FromFileTime(creation_time));
-}
-
 void ShowCloseBrowserFirstMessageBox() {
   const string16 title = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
   const string16 message = l10n_util::GetStringUTF16(IDS_UNINSTALL_CLOSE_APP);