Attaching an image to many color attachment points is unsupported

gpu/command_buffer/service/feature_info.h

Index: gpu/command_buffer/service/feature_info.h
diff --git a/gpu/command_buffer/service/feature_info.h b/gpu/command_buffer/service/feature_info.h
index a34fff1b780819e830a9e57253c5c681e4dfc244..8b7b6acb3e89406e04f7864fcb16665137392f57 100644
--- a/gpu/command_buffer/service/feature_info.h
+++ b/gpu/command_buffer/service/feature_info.h
@@ -110,6 +110,8 @@ class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
 
   // Helper that defaults to no disallowed features and a GLES2 context.
   bool InitializeForTesting();
+  // Helper that defaults to no disallowed Features.
+  bool InitializeForTesting(ContextType context_type);
   // Helper that defaults to a GLES2 context.
   bool InitializeForTesting(const DisallowedFeatures& disallowed_features);