Replace the GURL referrer field of OpenURLParams with a content::Referrer

chrome/browser/tab_contents/insecure_content_infobar_delegate.cc

Index: chrome/browser/tab_contents/insecure_content_infobar_delegate.cc
diff --git a/chrome/browser/tab_contents/insecure_content_infobar_delegate.cc b/chrome/browser/tab_contents/insecure_content_infobar_delegate.cc
index a74b5a0b529fdf759101059401aa6f1098e881fe..9c3be0a8d6d74407ed446ebeb79a4193ba559362 100644
--- a/chrome/browser/tab_contents/insecure_content_infobar_delegate.cc
+++ b/chrome/browser/tab_contents/insecure_content_infobar_delegate.cc
@@ -81,7 +81,8 @@ bool InsecureContentInfoBarDelegate::LinkClicked(
   owner()->tab_contents()->OpenURL(OpenURLParams(
       google_util::AppendGoogleLocaleParam(GURL(
       "https://www.google.com/support/chrome/bin/answer.py?answer=1342714")),
-      GURL(), (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
+      content::Referrer(),
+      (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK, false));
   return false;
 }