Used use-gl=any instead of forcing osmesa for gpu browser tests.

chrome/browser/gpu_browsertest.cc

Index: chrome/browser/gpu_browsertest.cc
===================================================================
--- chrome/browser/gpu_browsertest.cc	(revision 106080)
+++ chrome/browser/gpu_browsertest.cc	(working copy)
@@ -33,40 +33,16 @@
   virtual void SetUpCommandLine(CommandLine* command_line) {
     InProcessBrowserTest::SetUpCommandLine(command_line);
 
-    EXPECT_TRUE(test_launcher_utils::OverrideGLImplementation(
-        command_line,
-        gfx::kGLImplementationOSMesaName));
+    // GPU tests require gpu acceleration.
+    // We do not care which GL backend is used.
+    command_line->AppendSwitchASCII(switches::kUseGL, "any");
 
     command_line->AppendSwitch(switches::kDisablePopupBlocking);
-
-#if defined(OS_MACOSX)
-    // Accelerated compositing does not work with OSMesa. AcceleratedSurface
-    // assumes GL contexts are native.
-    command_line->AppendSwitch(switches::kDisableAcceleratedCompositing);
-#endif
   }
 
   FilePath gpu_test_dir_;
 };
 
-#if defined(TOOLKIT_VIEWS)
-// Flaky on Windows (dbg): http://crbug.com/72608
-// For ChromeOS: http://crbug.com/76217
-#define MAYBE_BrowserTestCanLaunchWithOSMesa DISABLED_BrowserTestCanLaunchWithOSMesa
-#else
-#define MAYBE_BrowserTestCanLaunchWithOSMesa BrowserTestCanLaunchWithOSMesa
-#endif
-
-IN_PROC_BROWSER_TEST_F(GPUBrowserTest, MAYBE_BrowserTestCanLaunchWithOSMesa) {
-  // Check the webgl test reports success and that the renderer was OSMesa.
-  ui_test_utils::NavigateToURL(
-      browser(),
-      net::FilePathToFileURL(gpu_test_dir_.AppendASCII("webgl.html")));
-
-  EXPECT_EQ(ASCIIToUTF16("SUCCESS: WebKit WebGL"),
-            browser()->GetSelectedTabContents()->GetTitle());
-}
-
 // Test is flaky and timing out.  See crbug.com/99883
 IN_PROC_BROWSER_TEST_F(GPUBrowserTest,
                        DISABLED_CanOpenPopupAndRenderWithWebGLCanvas) {