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

chrome/test/gpu/gpu_pixel_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/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
@@ skipping 77 matching lines @@
 // TODO(kkania): Document how to add to/modify these tests.
 class GpuPixelBrowserTest : public InProcessBrowserTest {
  public:
   GpuPixelBrowserTest()
       : ref_img_revision_(0),
         ref_img_revision_no_older_than_(0),
         use_checked_in_ref_imgs_(false) {
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) {
-    InProcessBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(switches::kTestGLLib,
                                     "libllvmpipe.so");
-
-    // This enables DOM automation for tab contents.
-    EnableDOMAutomation();
   }
 
   virtual void SetUpInProcessBrowserTestFixture() {
     InProcessBrowserTest::SetUpInProcessBrowserTestFixture();
 
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir_));
     test_data_dir_ = test_data_dir_.AppendASCII("gpu");
 
     CommandLine* command_line = CommandLine::ForCurrentProcess();
     if (command_line->HasSwitch(kGeneratedDir))
@@ skipping 396 matching lines @@
 IN_PROC_BROWSER_TEST_F(Canvas2DPixelTestSD, Canvas2DRedBoxSD) {
   // If test baseline needs to be updated after a given revision, update the
   // following number. If no revision requirement, then 0.
   const int64 ref_img_revision_update = 123489;
 
   gfx::Size container_size(400, 300);
   FilePath url =
       test_data_dir().AppendASCII("pixel_canvas2d.html");
   RunPixelTest(container_size, url, ref_img_revision_update);
 }