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

chrome/browser/gpu_crash_browsertest.cc

Index: chrome/browser/gpu_crash_browsertest.cc
===================================================================
--- chrome/browser/gpu_crash_browsertest.cc	(revision 106080)
+++ chrome/browser/gpu_crash_browsertest.cc	(working copy)
@@ -35,17 +35,9 @@
     EnableDOMAutomation();
     InProcessBrowserTest::SetUpCommandLine(command_line);
 
-    // OverrideGLImplementation and kDisableAcceleratedCompositing for
-    // OS_MACOSX are Taken verbatim from gpu_pixel_browsertest.cc and
-    // gpu_browsertest.cc.
-    EXPECT_TRUE(test_launcher_utils::OverrideGLImplementation(
-        command_line,
-        gfx::kGLImplementationOSMesaName));
-#if defined(OS_MACOSX)
-    // Accelerated compositing does not work with OSMesa. AcceleratedSurface
-    // assumes GL contexts are native.
-    command_line->AppendSwitch(switches::kDisableAcceleratedCompositing);
-#endif
+    // GPU tests require gpu acceleration.
+    // We do not care which GL backend is used.
+    command_line->AppendSwitchASCII(switches::kUseGL, "any");
   }
   virtual void SetUpInProcessBrowserTestFixture() {
     FilePath test_dir;