Get rid of extensions dependency from content\browser.

chrome/browser/tabs/tab_strip_model_unittest.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 <map>
 #include <string>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/defaults.h"
+#include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/tabs/tab_strip_model_delegate.h"
 #include "chrome/browser/tabs/tab_strip_model_order_controller.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/new_tab_ui.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
@@ skipping 1724 matching lines @@
 
 #if defined(OS_WIN)
   FilePath path(FILE_PATH_LITERAL("c:\\foo"));
 #elif defined(OS_POSIX)
   FilePath path(FILE_PATH_LITERAL("/foo"));
 #endif
   scoped_refptr<Extension> extension_app(new Extension(path,
                                                        Extension::INVALID));
   extension_app->launch_web_url_ = "http://www.google.com";
   TabContentsWrapper* contents1 = CreateTabContents();
-  contents1->tab_contents()->SetExtensionApp(extension_app);
+  contents1->extension_tab_helper()->SetExtensionApp(extension_app);
   TabContentsWrapper* contents2 = CreateTabContents();
-  contents2->tab_contents()->SetExtensionApp(extension_app);
+  contents2->extension_tab_helper()->SetExtensionApp(extension_app);
   TabContentsWrapper* contents3 = CreateTabContents();
 
   SetID(contents1->tab_contents(), 1);
   SetID(contents2->tab_contents(), 2);
   SetID(contents3->tab_contents(), 3);
 
   // Note! The ordering of these tests is important, each subsequent test
   // builds on the state established in the previous. This is important if you
   // ever insert tests rather than append.
 
@@ skipping 419 matching lines @@
   strip.SelectTabContentsAt(1, true);
   ASSERT_EQ(1, observer.GetStateCount());
   MockTabStripModelObserver::State s(
       contents2, 1, MockTabStripModelObserver::SELECT);
   s.src_contents = contents2;
   s.user_gesture = true;
   EXPECT_TRUE(observer.StateEquals(0, s));
   strip.RemoveObserver(&observer);
   strip.CloseAllTabs();
 }