Revert 247793 "Ensure GL initialization only happens once, and p..."

trunk/src/cc/test/pixel_test.cc

Index: trunk/src/cc/test/pixel_test.cc
===================================================================
--- trunk/src/cc/test/pixel_test.cc	(revision 247809)
+++ trunk/src/cc/test/pixel_test.cc	(working copy)
@@ -23,6 +23,7 @@
 #include "cc/test/pixel_test_utils.h"
 #include "cc/test/test_in_process_context_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_implementation.h"
 
 namespace cc {
 
@@ -117,6 +118,8 @@
 }
 
 void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend) {
+  CHECK(gfx::InitializeStaticGLBindings(gfx::kGLImplementationOSMesaGL));
+
   output_surface_.reset(
       new PixelTestOutputSurface(new TestInProcessContextProvider));
   output_surface_->BindToClient(output_surface_client_.get());