Add workaround for Mac stencil buffer leak

gpu/skia_bindings/grcontext_for_gles2_interface.cc

Index: gpu/skia_bindings/grcontext_for_gles2_interface.cc
diff --git a/gpu/skia_bindings/grcontext_for_gles2_interface.cc b/gpu/skia_bindings/grcontext_for_gles2_interface.cc
index ee7516b4db403403b85c3924433c774ad5cd5c8f..fd58f162a803234382b86e3be08ef69e4f779df6 100644
--- a/gpu/skia_bindings/grcontext_for_gles2_interface.cc
+++ b/gpu/skia_bindings/grcontext_for_gles2_interface.cc
@@ -13,6 +13,7 @@
 #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"
@@ -20,13 +21,16 @@
 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.