Add workaround for Mac stencil buffer leak

services/ui/public/cpp/gpu/context_provider_command_buffer.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/public/cpp/gpu/context_provider_command_buffer.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <set>
@@ skipping 362 matching lines @@
   return gles2_impl_.get();
 }
 
 class GrContext* ContextProviderCommandBuffer::GrContext() {
   DCHECK(bind_succeeded_);
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (gr_context_)
     return gr_context_->get();
 
-  gr_context_.reset(new skia_bindings::GrContextForGLES2Interface(ContextGL()));
+  gr_context_.reset(new skia_bindings::GrContextForGLES2Interface(
+      ContextGL(), ContextCapabilities()));
   cache_controller_->SetGrContext(gr_context_->get());
 
   // If GlContext is already lost, also abandon the new GrContext.
   if (gr_context_->get() &&
       ContextGL()->GetGraphicsResetStatusKHR() != GL_NO_ERROR)
     gr_context_->get()->abandonContext();
 
   return gr_context_->get();
 }
 
@@ skipping 64 matching lines @@
     context_thread_checker_.DetachFromThread();
     SkiaGpuTraceMemoryDump trace_memory_dump(
         pmd, gles2_impl_->ShareGroupTracingGUID());
     gr_context_->get()->dumpMemoryStatistics(&trace_memory_dump);
     context_thread_checker_.DetachFromThread();
   }
   return true;
 }
 
 }  // namespace ui