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

content/browser/renderer_host/resource_dispatcher_host_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 "base/string_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 38 matching lines @@
       url, net::CookieOptions(),
       base::Bind(&GetCookiesCallback,
                  base::Unretained(cookies), base::Unretained(event)));
 }
 
 }  // namespace
 
 class ResourceDispatcherHostBrowserTest : public InProcessBrowserTest,
                                           public DownloadManager::Observer {
  public:
-  ResourceDispatcherHostBrowserTest() : got_downloads_(false) {
-    EnableDOMAutomation();
-  }
+  ResourceDispatcherHostBrowserTest() : got_downloads_(false) {}
 
  protected:
   virtual void SetUpOnMainThread() OVERRIDE {
     FilePath path = ui_test_utils::GetTestFilePath(FilePath(), FilePath());
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&URLRequestMockHTTPJob::AddUrlHandler, path));
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&URLRequestFailedJob::AddUrlHandler));
@@ skipping 389 matching lines @@
 IN_PROC_BROWSER_TEST_F(ResourceDispatcherHostBrowserTest,
                        CrossSiteFailedRequest) {
   // Visit another URL first to trigger a cross-site navigation.
   GURL url(chrome::kTestNewTabURL);
   ui_test_utils::NavigateToURL(browser(), url);
 
   // Visit a URL that fails without calling ResourceDispatcherHost::Read.
   GURL broken_url("chrome://theme");
   CheckTitleTest(broken_url, "chrome://theme/ is not available", 1);
 }