Get rid of extensions dependency from content\browser.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

 // Copyright (c) 2011 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/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h"
 #include "chrome/browser/debugger/devtools_handler.h"
+#include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager_delegate_impl.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_observer.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
@@ skipping 23 matching lines @@
       tab_contents_(contents) {
   DCHECK(contents);
   // Stash this in the property bag so it can be retrieved without having to
   // go to a Browser.
   property_accessor()->SetProperty(contents->property_bag(), this);
 
   // Create the tab helpers.
   autocomplete_history_manager_.reset(new AutocompleteHistoryManager(contents));
   autofill_manager_.reset(new AutofillManager(contents));
   dev_tools_tab_helper_.reset(new DevToolsTabHelper(contents));
+  extension_tab_helper_.reset(new ExtensionTabHelper(contents));
   find_tab_helper_.reset(new FindTabHelper(contents));
   password_manager_delegate_.reset(new PasswordManagerDelegateImpl(contents));
   password_manager_.reset(
       new PasswordManager(contents, password_manager_delegate_.get()));
   search_engine_tab_helper_.reset(new SearchEngineTabHelper(contents));
 
   // Register for notifications about URL starredness changing on any profile.
   registrar_.Add(this, NotificationType::URLS_STARRED,
                  NotificationService::AllSources());
   registrar_.Add(this, NotificationType::BOOKMARK_MODEL_LOADED,
@@ skipping 112 matching lines @@
     case net::LOAD_STATE_READING_RESPONSE:
       break;
   }
 
   return string16();
 }
 
 TabContentsWrapper* TabContentsWrapper::Clone() {
   TabContents* new_contents = tab_contents()->Clone();
   TabContentsWrapper* new_wrapper = new TabContentsWrapper(new_contents);
+
+  new_wrapper->extension_tab_helper()->CopyStateFrom(
+      *extension_tab_helper_.get());
   return new_wrapper;
 }
 
 TabContentsWrapper* TabContentsWrapper::GetCurrentWrapperForContents(
     TabContents* contents) {
   TabContentsWrapper** wrapper =
       property_accessor()->GetProperty(contents->property_bag());
 
   return wrapper ? *wrapper : NULL;
 }
@@ skipping 83 matching lines @@
 }
 
 void TabContentsWrapper::UpdateStarredStateForCurrentURL() {
   BookmarkModel* model = tab_contents()->profile()->GetBookmarkModel();
   const bool old_state = is_starred_;
   is_starred_ = (model && model->IsBookmarked(tab_contents()->GetURL()));
 
   if (is_starred_ != old_state && delegate())
     delegate()->URLStarredChanged(this, is_starred_);
 }