Use stub GL draw/clear calls for browser tests that do not need pixels.

chrome/browser/ui/webui/net_internals/net_internals_ui_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 "chrome/browser/ui/webui/net_internals/net_internals_ui_browsertest.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 362 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 NetInternalsTest::NetInternalsTest()
     : test_server_started_(false) {
   message_handler_.reset(new MessageHandler(this));
 }
 
 NetInternalsTest::~NetInternalsTest() {
 }
 
-void NetInternalsTest::SetUp() {
-#if defined(OS_WIN) && defined(USE_AURA)
-  // The NetInternalsTest.netInternalsTimelineViewScrollbar test requires real
-  // GL bindings to pass on Win7 Aura.
-  UseRealGLBindings();
-#endif
-
-  WebUIBrowserTest::SetUp();
-}
-
 void NetInternalsTest::SetUpCommandLine(CommandLine* command_line) {
   WebUIBrowserTest::SetUpCommandLine(command_line);
   // Needed to test the prerender view.
   command_line->AppendSwitchASCII(switches::kPrerenderMode,
                                   switches::kPrerenderModeSwitchValueEnabled);
 }
 
 void NetInternalsTest::SetUpOnMainThread() {
   WebUIBrowserTest::SetUpOnMainThread();
   // Increase the memory allowed in a prerendered page above normal settings,
@@ skipping 24 matching lines @@
   GURL url_loader = test_server()->GetURL(replacement_path);
   return url_loader;
 }
 
 bool NetInternalsTest::StartTestServer() {
   if (test_server_started_)
     return true;
   test_server_started_ = test_server()->Start();
   return test_server_started_;
 }