Clean up compositor initialization/destruction.

chrome/test/gpu/webgl_infobar_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/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 33 matching lines @@
           content::PAGE_TRANSITION_TYPED |
           content::PAGE_TRANSITION_FROM_ADDRESS_BAR));
   params.disposition = NEW_BACKGROUND_TAB;
   chrome::Navigate(&params);
 }
 
 } // namespace
 
 class WebGLInfobarTest : public InProcessBrowserTest {
  protected:
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
-    // GPU tests require gpu acceleration.
-#if !defined(OS_MACOSX)
-    command_line->AppendSwitchASCII(
-        switches::kUseGL, gfx::kGLImplementationOSMesaName);
-#endif
-  }
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     base::FilePath test_dir;
     ASSERT_TRUE(PathService::Get(content::DIR_TEST_DATA, &test_dir));
     gpu_test_dir_ = test_dir.AppendASCII("gpu");
   }
   base::FilePath gpu_test_dir_;
 };
 
 IN_PROC_BROWSER_TEST_F(WebGLInfobarTest, ContextLossRaisesInfobar) {
 #if defined(OS_WIN) && defined(USE_ASH)
@@ skipping 70 matching lines @@
   // The page should reload and another message sent to the
   // DomAutomationController.
   m.clear();
   ASSERT_TRUE(message_queue.WaitForMessage(&m));
   EXPECT_EQ("\"LOADED\"", m);
 }
 
 // There isn't any point in adding a test which calls Accept() on the
 // ThreeDAPIInfoBarDelegate; doing so doesn't remove the infobar, and
 // there's no concrete event that could be observed in response.