Add workaround for Mac stencil buffer leak

gpu/skia_bindings/grcontext_for_gles2_interface.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 "gpu/skia_bindings/grcontext_for_gles2_interface.h"
 
 #include <stddef.h>
 #include <string.h>
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/sys_info.h"
 #include "base/trace_event/trace_event.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
+#include "gpu/command_buffer/common/capabilities.h"
 #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h"
 #include "third_party/skia/include/gpu/GrContext.h"
 #include "third_party/skia/include/gpu/gl/GrGLInterface.h"
 
 namespace skia_bindings {
 
 GrContextForGLES2Interface::GrContextForGLES2Interface(
-    gpu::gles2::GLES2Interface* gl) {
+    gpu::gles2::GLES2Interface* gl,
+    const gpu::Capabilities& capabilities) {
+  GrContextOptions options;
+  options.fAvoidStencilBuffers = capabilities.avoid_stencil_buffers;
   sk_sp<GrGLInterface> interface(
       skia_bindings::CreateGLES2InterfaceBindings(gl));
-  gr_context_ = sk_sp<GrContext>(
-      GrContext::Create(kOpenGL_GrBackend,
-                        // GrContext takes ownership of |interface|.
-                        reinterpret_cast<GrBackendContext>(interface.get())));
+  gr_context_ = sk_sp<GrContext>(GrContext::Create(
+      kOpenGL_GrBackend,
+      // GrContext takes ownership of |interface|.
+      reinterpret_cast<GrBackendContext>(interface.get()), options));
   if (gr_context_) {
     // The limit of the number of GPU resources we hold in the GrContext's
     // GPU cache.
     static const int kMaxGaneshResourceCacheCount = 16384;
     // The limit of the bytes allocated toward GPU resources in the GrContext's
     // GPU cache.
     static const size_t kMaxLowEndGaneshResourceCacheBytes = 48 * 1024 * 1024;
     static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024;
     static const size_t kMaxHighEndGaneshResourceCacheBytes = 256 * 1024 * 1024;
     static const int64_t kHighEndMemoryThreshold = (int64_t)4096 * 1024 * 1024;
@@ skipping 31 matching lines @@
 
 void GrContextForGLES2Interface::FreeGpuResources() {
   if (gr_context_) {
     TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources",
                          TRACE_EVENT_SCOPE_THREAD);
     gr_context_->freeGpuResources();
   }
 }
 
 }  // namespace skia_bindings