Move Extension into extensions namespace

chrome/browser/extensions/isolated_app_browsertest.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/automation/automation_util.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 17 matching lines @@
  public:
   // Returns whether the given tab's current URL has the given cookie.
   bool WARN_UNUSED_RESULT HasCookie(WebContents* contents, std::string cookie) {
     int value_size;
     std::string actual_cookie;
     automation_util::GetCookies(contents->GetURL(), contents, &value_size,
                                 &actual_cookie);
     return actual_cookie.find(cookie) != std::string::npos;
   }
 
-  const Extension* GetInstalledApp(WebContents* contents) {
-    const Extension* installed_app = NULL;
+  const extensions::Extension* GetInstalledApp(WebContents* contents) {
+    const extensions::Extension* installed_app = NULL;
     Profile* profile =
         Profile::FromBrowserContext(contents->GetBrowserContext());
     ExtensionService* service = profile->GetExtensionService();
     if (service) {
       installed_app = service->GetInstalledAppForRenderer(
           contents->GetRenderProcessHost()->GetID());
     }
     return installed_app;
   }
 
@@ skipping 112 matching lines @@
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(0), "app2=4"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(0), "normalPage=5"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(0), "nonAppFrame=6"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(1), "app1=3"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(1), "normalPage=5"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(1), "nonAppFrame=6"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "app1=3"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "app2=4"));
   EXPECT_TRUE(HasCookie(browser()->GetWebContentsAt(2), "nonAppFrame=6"));
 }