Remove use of ResourceRequestInfo::GetRequestID from cert enrollment.

content/public/browser/web_contents_observer.h

Index: content/public/browser/web_contents_observer.h
diff --git a/content/public/browser/web_contents_observer.h b/content/public/browser/web_contents_observer.h
index da9e8239d688412d1bc617f5e35d01c2e6b55b77..4f600acd5804c5cf37b59777475a8c21a56991b4 100644
--- a/content/public/browser/web_contents_observer.h
+++ b/content/public/browser/web_contents_observer.h
@@ -311,9 +311,6 @@ class CONTENT_EXPORT WebContentsObserver : public IPC::Listener,
   // Invoked when the renderer has toggled the tab into/out of fullscreen mode.
   virtual void DidToggleFullscreenModeForTab(bool entered_fullscreen) {}
 
-  // Invoked when visible SSL state (as defined by SSLStatus) changes.
-  virtual void DidChangeVisibleSSLState() {}
-
   // Invoked when an interstitial page is attached or detached.
   virtual void DidAttachInterstitialPage() {}
   virtual void DidDetachInterstitialPage() {}