Change ActiveTabTest to do setup in SetUp rather than its constructor.

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"
@@ skipping 46 matching lines @@
 }
 
 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()) {
+  }
+
+  virtual void SetUp() {
+    TabContentsTestHarness::SetUp();
     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()->
@@ skipping 341 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