Reland Track the active ExtensionKeybindingRegistry and make it available to EventRewriter.

chrome/browser/profiles/profile_manager.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_manager.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 316 matching lines @@
 #else
   return profile_manager->GetActiveUserOrOffTheRecordProfileFromPath(
       profile_manager->user_data_dir());
 #endif
 }
 
 // static
 Profile* ProfileManager::GetActiveUserProfile() {
   ProfileManager* profile_manager = g_browser_process->profile_manager();
 #if defined(OS_CHROMEOS)
+  if (!profile_manager)
+    return NULL;
+
   if (!profile_manager->IsLoggedIn() ||
       !user_manager::UserManager::IsInitialized()) {
     return profile_manager->GetActiveUserOrOffTheRecordProfileFromPath(
         profile_manager->user_data_dir());
   }
 
   user_manager::UserManager* manager = user_manager::UserManager::Get();
   const user_manager::User* user = manager->GetActiveUser();
   // To avoid an endless loop (crbug.com/334098) we have to additionally check
   // if the profile of the user was already created. If the profile was not yet
@@ skipping 971 matching lines @@
           last_non_supervised_profile_path.BaseName().MaybeAsASCII());
       FinishDeletingProfile(profile_to_delete_path);
     }
   }
 }
 #endif
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }