Use ContextProvider subclass to provide WGC3D pointers

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 fb0a77de91666eba740c7fc6af96265ea33ac457..f0659f08d727e0dfb7602686bf068c60bc71a10e 100644
--- a/content/renderer/webgraphicscontext3d_provider_impl.cc
+++ b/content/renderer/webgraphicscontext3d_provider_impl.cc
@@ -4,18 +4,18 @@
 
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
 
-#include "cc/output/context_provider.h"
+#include "content/common/gpu/client/context_provider_web_context.h"
 
 namespace content {
 
 WebGraphicsContext3DProviderImpl::WebGraphicsContext3DProviderImpl(
-    scoped_refptr<cc::ContextProvider> provider)
+    scoped_refptr<ContextProviderWebContext> provider)
     : provider_(provider) {}
 
 WebGraphicsContext3DProviderImpl::~WebGraphicsContext3DProviderImpl() {}
 
 blink::WebGraphicsContext3D* WebGraphicsContext3DProviderImpl::context3d() {
-  return provider_->Context3d();
+  return provider_->WebContext3D();
 }
 
 GrContext* WebGraphicsContext3DProviderImpl::grContext() {