[Extensions] Begin making Extension port initialization asynchronous

chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.cc

 // Copyright 2014 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/renderer/extensions/chrome_extensions_dispatcher_delegate.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/channel_info.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/renderer_resources.h"
 #include "chrome/renderer/extensions/app_bindings.h"
 #include "chrome/renderer/extensions/automation_internal_custom_bindings.h"
 #include "chrome/renderer/extensions/file_browser_handler_custom_bindings.h"
 #include "chrome/renderer/extensions/file_manager_private_custom_bindings.h"
 #include "chrome/renderer/extensions/media_galleries_custom_bindings.h"
 #include "chrome/renderer/extensions/notifications_native_handler.h"
 #include "chrome/renderer/extensions/page_capture_custom_bindings.h"
 #include "chrome/renderer/extensions/platform_keys_natives.h"
 #include "chrome/renderer/extensions/sync_file_system_custom_bindings.h"
-#include "chrome/renderer/extensions/tabs_custom_bindings.h"
 #include "chrome/renderer/extensions/webstore_bindings.h"
 #include "components/version_info/version_info.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/features/feature_channel.h"
 #include "extensions/common/permissions/manifest_permission_set.h"
@@ skipping 81 matching lines @@
       std::unique_ptr<NativeHandler>(
           new extensions::MediaGalleriesCustomBindings(context)));
   module_system->RegisterNativeHandler(
       "page_capture", std::unique_ptr<NativeHandler>(
                           new extensions::PageCaptureCustomBindings(context)));
   module_system->RegisterNativeHandler(
       "platform_keys_natives",
       std::unique_ptr<NativeHandler>(
           new extensions::PlatformKeysNatives(context)));
   module_system->RegisterNativeHandler(
-      "tabs", std::unique_ptr<NativeHandler>(
-                  new extensions::TabsCustomBindings(context)));
-  module_system->RegisterNativeHandler(
       "webstore", std::unique_ptr<NativeHandler>(
                       new extensions::WebstoreBindings(context)));
 #if defined(ENABLE_WEBRTC)
   module_system->RegisterNativeHandler(
       "cast_streaming_natives",
       std::unique_ptr<NativeHandler>(
           new extensions::CastStreamingNativeHandler(context)));
 #endif
   module_system->RegisterNativeHandler(
       "automationInternal",
@@ skipping 145 matching lines @@
 }
 
 void ChromeExtensionsDispatcherDelegate::OnActiveExtensionsUpdated(
     const std::set<std::string>& extension_ids) {
   // In single-process mode, the browser process reports the active extensions.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           ::switches::kSingleProcess))
     return;
   crash_keys::SetActiveExtensions(extension_ids);
 }