Remove TabStripModel wrapper use.

chrome/browser/extensions/content_script_apitest.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 "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/permissions/permissions_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_tabstrip.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/mock_host_resolver.h"
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ContentScriptAllFrames) {
@@ skipping 96 matching lines @@
   ui_test_utils::NavigateToURL(browser(), url);
 
   LoadExtension(
       test_data_dir_.AppendASCII("content_scripts/existing_renderers"));
 
   signal.Wait();
 
   // And check that its styles were affected by the styles that just got loaded.
   bool styles_injected;
   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
-      chrome::GetActiveWebContents(browser()),
+      browser()->tab_strip_model()->GetActiveWebContents(),
       "window.domAutomationController.send("
       "    document.defaultView.getComputedStyle(document.body, null)."
       "        getPropertyValue('background-color') == 'rgb(255, 0, 0)')",
       &styles_injected));
   ASSERT_TRUE(styles_injected);
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest,
                        ContentScriptCSSLocalization) {
   ASSERT_TRUE(StartTestServer());
@@ skipping 29 matching lines @@
   PermissionsRequestFunction::SetAutoConfirmForTests(true);
   host_resolver()->AddRule("*.com", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionTest("content_scripts/permissions")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ContentScriptBypassPageCSP) {
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionTest("content_scripts/bypass_page_csp")) << message_;
 }