Add InProcessContextProvider and update InProcessCommandBuffer

chrome/test/base/chrome_unit_test_suite.cc

Index: chrome/test/base/chrome_unit_test_suite.cc
diff --git a/chrome/test/base/chrome_unit_test_suite.cc b/chrome/test/base/chrome_unit_test_suite.cc
index 5e1665860f2fded603c2b789d8f763c96bc844de..6fa025725e8a1ece3d6c28ee09222009f6276cee 100644
--- a/chrome/test/base/chrome_unit_test_suite.cc
+++ b/chrome/test/base/chrome_unit_test_suite.cc
@@ -20,6 +20,7 @@
 #include "components/update_client/update_query_params.h"
 #include "content/public/common/content_paths.h"
 #include "extensions/features/features.h"
+#include "gpu/ipc/service/image_transport_surface.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/resource/resource_handle.h"
@@ -147,6 +148,10 @@ void ChromeUnitTestSuite::InitializeProviders() {
 
   gl::GLSurfaceTestSupport::InitializeOneOff();
 
+#if defined(OS_MACOSX)
+  gpu::ImageTransportSurface::SetAllowOSMesaForTesting(true);
+#endif
+
   update_client::UpdateQueryParams::SetDelegate(
       ChromeUpdateQueryParamsDelegate::GetInstance());
 }