Move extension_test_message_listener to extensions.

chrome/browser/extensions/active_script_controller_browsertest.cc

 // Copyright 2014 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/files/file_path.h"
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/active_script_controller.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
-#include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/extensions/test_extension_dir.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/test/browser_test_utils.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/switches.h"
+#include "extensions/test/extension_test_message_listener.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 namespace {
 
 const char kAllHostsScheme[] = "*://*/*";
 const char kExplicitHostsScheme[] = "http://127.0.0.1/*";
 const char kBackgroundScript[] =
@@ skipping 406 matching lines @@
 
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
   ui_test_utils::NavigateToURL(
       browser(), embedded_test_server()->GetURL("/extensions/test_file.html"));
 
   for (size_t i = 0u; i < arraysize(testers); ++i)
     EXPECT_TRUE(testers[i].Verify()) << kExtensionNames[i];
 }
 
 }  // namespace extensions