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

content/browser/renderer_host/render_view_host_manager_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/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
@@ skipping 13 matching lines @@
 #include "content/public/browser/render_view_host_observer.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/net_util.h"
 #include "net/test/test_server.h"
 
 using content::RenderViewHost;
 using content::SiteInstance;
 
 class RenderViewHostManagerTest : public InProcessBrowserTest {
  public:
-  RenderViewHostManagerTest() {
-    EnableDOMAutomation();
-  }
+  RenderViewHostManagerTest() {}
 
   static bool GetFilePathWithHostAndPortReplacement(
       const std::string& original_file_path,
       const net::HostPortPair& host_port_pair,
       std::string* replacement_path) {
     std::vector<net::TestServer::StringPair> replacement_text;
     replacement_text.push_back(
         make_pair("REPLACE_WITH_HOST_AND_PORT", host_port_pair.ToString()));
     return net::TestServer::GetFilePathWithReplacements(
         original_file_path, replacement_text, replacement_path);
@@ skipping 1067 matching lines @@
   // Now navigate to a different instance so that we swap out again.
   ui_test_utils::NavigateToURL(browser(),
                                https_server.GetURL("files/title2.html"));
   rvh_observers.AddObserverToRVH(chrome::GetActiveWebContents(browser())->
       GetRenderViewHost());
 
   // This used to leak a render view host.
   chrome::CloseWebContents(browser(), chrome::GetActiveWebContents(browser()));
   EXPECT_EQ(0U, rvh_observers.GetNumObservers());
 }