Always enable dom automation for browser_tests. This avoids developers having to call EnableDOMAuto…

chrome/browser/automation/automation_tab_helper_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 <string>
 
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/string16.h"
 #include "base/stringprintf.h"
@@ skipping 35 matching lines @@
   }
 
  private:
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(MockNotificationObserver);
 };
 
 class AutomationTabHelperBrowserTest : public InProcessBrowserTest {
  public:
-  AutomationTabHelperBrowserTest() {
-    EnableDOMAutomation();
-  }
-  virtual ~AutomationTabHelperBrowserTest() { }
+  AutomationTabHelperBrowserTest() {}
+  virtual ~AutomationTabHelperBrowserTest() {}
 
   void SetUpInProcessBrowserTestFixture() {
     EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir_));
     test_data_dir_ = test_data_dir_.AppendASCII("automation");
   }
 
   // Add default expectations for a client redirection initiated by script,
   // and quit the message loop when the redirect has completed. This expects
   // that the tab receives news of the redirect before the script returns.
   void ExpectClientRedirectAndBreak(
@@ skipping 138 matching lines @@
 IN_PROC_BROWSER_TEST_F(AutomationTabHelperBrowserTest,
                        CrashedTabStopsLoading) {
   MockTabEventObserver mock_tab_observer(tab_helper());
 
   testing::InSequence expect_in_sequence;
   EXPECT_CALL(mock_tab_observer, OnFirstPendingLoad(_));
   EXPECT_CALL(mock_tab_observer, OnNoMorePendingLoads(_));
 
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUICrashURL));
 }