Extract ErrorConsole from ExtensionSystem.

chrome/browser/extensions/error_console/error_console.cc

 // Copyright 2013 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/extensions/error_console/error_console.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/extensions/error_console/error_console_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/features/feature_channel.h"
 #include "chrome/common/pref_names.h"
 #include "components/crx_file/id_util.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
@@ skipping 45 matching lines @@
 
   CheckEnabled();
 }
 
 ErrorConsole::~ErrorConsole() {
   FOR_EACH_OBSERVER(Observer, observers_, OnErrorConsoleDestroyed());
 }
 
 // static
 ErrorConsole* ErrorConsole::Get(content::BrowserContext* browser_context) {
-  return ExtensionSystem::Get(browser_context)->error_console();
+  return ErrorConsoleFactory::GetForBrowserContext(browser_context);
 }
 
 void ErrorConsole::SetReportingForExtension(const std::string& extension_id,
                                             ExtensionError::Type type,
                                             bool enabled) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!enabled_ || !crx_file::id_util::IdIsValid(extension_id))
     return;
 
   int mask = default_mask_;
@@ skipping 195 matching lines @@
       ExtensionRegistry::Get(profile_)->GetExtensionById(
           extension_id, ExtensionRegistry::EVERYTHING);
   if (extension && extension->location() == Manifest::UNPACKED)
     return (1 << ExtensionError::NUM_ERROR_TYPES) - 1;
 
   // Otherwise, use the default mask.
   return default_mask_;
 }
 
 }  // namespace extensions