Update stale comment.

chrome/browser/profiles/profile_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 865 matching lines @@
   ExitType current_exit_type = SessionTypePrefValueToExitType(
       prefs_->GetString(prefs::kSessionExitType));
   // This may be invoked multiple times during shutdown. Only persist the value
   // first passed in (unless it's a reset to the crash state, which happens when
   // foregrounding the app on mobile).
   if (exit_type == EXIT_CRASHED || current_exit_type == EXIT_CRASHED) {
     prefs_->SetString(prefs::kSessionExitType,
                       ExitTypeToSessionTypePrefValue(exit_type));
 
     // NOTE: If you change what thread this writes on, be sure and update
-    // ChromeFrame::EndSession().
+    // chrome::SessionEnding().
     prefs_->CommitPendingWrite();
   }
 }
 
 Profile::ExitType ProfileImpl::GetLastSessionExitType() {
   // last_session_exited_cleanly_ is set when the preferences are loaded. Force
   // it to be set by asking for the prefs.
   GetPrefs();
   return last_session_exit_type_;
 }
@@ skipping 427 matching lines @@
 PrefProxyConfigTracker* ProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }
 #endif  // defined(OS_CHROMEOS)
   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
       GetPrefs(), g_browser_process->local_state());
 }