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

chrome/browser/prerender/prerender_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 <deque>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 965 matching lines @@
   virtual ~PrerenderBrowserTest() {}
 
   content::SessionStorageNamespace* GetSessionStorageNamespace() const {
     WebContents* web_contents =
         current_browser()->tab_strip_model()->GetActiveWebContents();
     if (!web_contents)
       return NULL;
     return web_contents->GetController().GetDefaultSessionStorageNamespace();
   }
 
-  virtual void SetUp() OVERRIDE {
-    // TODO(danakj): The GPU Video Decoder needs real GL bindings.
-    // crbug.com/269087
-    UseRealGLBindings();
-
-    InProcessBrowserTest::SetUp();
-  }
-
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 #if defined(FULL_SAFE_BROWSING)
     SafeBrowsingService::RegisterFactory(safe_browsing_factory_.get());
 #endif
   }
 
   virtual void TearDownInProcessBrowserTestFixture() OVERRIDE {
 #if defined(FULL_SAFE_BROWSING)
     SafeBrowsingService::RegisterFactory(NULL);
 #endif
@@ skipping 2783 matching lines @@
   const NavigationController& controller = web_contents->GetController();
   // First entry is about:blank, second is prerender_page.html.
   EXPECT_TRUE(controller.GetPendingEntry() == NULL);
   EXPECT_EQ(2, controller.GetEntryCount());
   EXPECT_EQ(GURL(content::kAboutBlankURL),
             controller.GetEntryAtIndex(0)->GetURL());
   EXPECT_EQ(dest_url(), controller.GetEntryAtIndex(1)->GetURL());
 }
 
 }  // namespace prerender