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

chrome/browser/content_settings/content_settings_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/command_line.h"
 #include "base/path_service.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
@@ skipping 65 matching lines @@
   TabContents* tab_contents = chrome::GetActiveTabContents(browser());
 
   EXPECT_TRUE(tab_contents->content_settings()->IsContentBlocked(
       CONTENT_SETTINGS_TYPE_COOKIES));
 }
 
 #if !defined(USE_AURA)  // No NPAPI plugins with Aura.
 
 class ClickToPlayPluginTest : public InProcessBrowserTest {
  public:
-  ClickToPlayPluginTest() {
-    EnableDOMAutomation();
-  }
+  ClickToPlayPluginTest() {}
 
 #if defined(OS_MACOSX)
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     FilePath plugin_dir;
     PathService::Get(base::DIR_MODULE, &plugin_dir);
     plugin_dir = plugin_dir.AppendASCII("plugins");
     // The plugins directory isn't read by default on the Mac, so it needs to be
     // explicitly registered.
     command_line->AppendSwitchPath(switches::kExtraPluginDir, plugin_dir);
   }
@@ skipping 70 matching lines @@
 
   content::RenderViewHost* host =
       chrome::GetActiveWebContents(browser())->GetRenderViewHost();
   host->Send(new ChromeViewMsg_LoadBlockedPlugins(
       host->GetRoutingID(), std::string()));
 
   EXPECT_EQ(expected_title, title_watcher.WaitAndGetTitle());
 }
 
 #endif  // !defined(USE_AURA)