Set the Feature's ChannelForTesting to Trunk during ActiveTabTest.

chrome/browser/extensions/active_tab_unittest.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 <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/active_tab_permission_manager.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/tab_contents/test_tab_contents.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/features/feature.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/test/test_browser_thread.h"
 
 using base::DictionaryValue;
 using base::ListValue;
 using content::BrowserThread;
@@ skipping 28 matching lines @@
   return extension;
 }
 
 class ActiveTabTest : public TabContentsTestHarness {
  public:
   ActiveTabTest()
       : extension(CreateTestExtension("extension", true)),
         another_extension(CreateTestExtension("another", true)),
         extension_without_active_tab(
             CreateTestExtension("without activeTab", false)),
-        ui_thread_(BrowserThread::UI, MessageLoop::current()) {}
+        ui_thread_(BrowserThread::UI, MessageLoop::current()) {
+    Feature::SetChannelForTesting(chrome::VersionInfo::CHANNEL_UNKNOWN);
+  }
 
  protected:
   int tab_id() {
     return tab_contents()->extension_tab_helper()->tab_id();
   }
 
   ActiveTabPermissionManager* active_tab_permission_manager() {
     return tab_contents()->extension_tab_helper()->
                            active_tab_permission_manager();
   }
@@ skipping 339 matching lines @@
   NavigateAndCommit(google);
 
   active_tab_permission_manager()->GrantIfRequested(extension);
 
   EXPECT_TRUE(IsAllowed(extension, google, tab_id()));
   EXPECT_TRUE(IsBlocked(extension, google, tab_id() + 1));
 }
 
 }  // namespace
 }  // namespace extensions