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

chrome/browser/loadtimes_extension_bindings_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 "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "net/test/test_server.h"
 
 class LoadtimesExtensionBindingsTest : public InProcessBrowserTest {
  public:
-  LoadtimesExtensionBindingsTest() {
-    EnableDOMAutomation();
-  }
+  LoadtimesExtensionBindingsTest() {}
 
   void CompareBeforeAndAfter() {
     // TODO(simonjam): There's a race on whether or not first paint is populated
     // before we read them. We ought to test that too. Until the race is fixed,
     // zero it out so the test is stable.
     content::RenderViewHost* rvh =
         chrome::GetActiveWebContents(browser())->GetRenderViewHost();
     ASSERT_TRUE(ui_test_utils::ExecuteJavaScript(
         rvh, L"",
         L"window.before.firstPaintAfterLoadTime = 0;"
@@ skipping 37 matching lines @@
   ui_test_utils::NavigateToURL(browser(), plain_url);
   content::RenderViewHost* rvh =
       chrome::GetActiveWebContents(browser())->GetRenderViewHost();
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScript(
       rvh, L"", L"window.before = window.chrome.loadTimes()"));
   ui_test_utils::NavigateToURL(browser(), hash_url);
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScript(
       rvh, L"", L"window.after = window.chrome.loadTimes()"));
   CompareBeforeAndAfter();
 }