Request context sharing via content::ContextProviderCommandBuffer

content/renderer/webgraphicscontext3d_provider_impl.cc

Index: content/renderer/webgraphicscontext3d_provider_impl.cc
diff --git a/content/renderer/webgraphicscontext3d_provider_impl.cc b/content/renderer/webgraphicscontext3d_provider_impl.cc
index 16deb534bc8dff2df9454156f6ab330d1c2ef8d0..9b7e29b9fadfdaaaf5f3f529ddddf986fd21d55f 100644
--- a/content/renderer/webgraphicscontext3d_provider_impl.cc
+++ b/content/renderer/webgraphicscontext3d_provider_impl.cc
@@ -4,21 +4,20 @@
 
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
 
-#include "cc/blink/context_provider_web_context.h"
+#include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "third_party/WebKit/public/platform/functional/WebFunction.h"
 
 namespace content {
 
 WebGraphicsContext3DProviderImpl::WebGraphicsContext3DProviderImpl(
-    scoped_refptr<cc_blink::ContextProviderWebContext> provider)
-    : provider_(provider) {
-}
+    scoped_refptr<ContextProviderCommandBuffer> provider)
+    : provider_(std::move(provider)) {}
 
 WebGraphicsContext3DProviderImpl::~WebGraphicsContext3DProviderImpl() {}
 
 blink::WebGraphicsContext3D* WebGraphicsContext3DProviderImpl::context3d() {
-  return provider_->WebContext3D();
+  return nullptr;
 }
 
 gpu::gles2::GLES2Interface* WebGraphicsContext3DProviderImpl::contextGL() {