Replace many skia::RefPtr with sk_sp<> in cc/

cc/test/test_context_provider.h

Index: cc/test/test_context_provider.h
diff --git a/cc/test/test_context_provider.h b/cc/test/test_context_provider.h
index ecb1ec62e7ed6bb2efd86619768616f50a079b62..ea0803f65de7612f0d1af989341ceb206820c682 100644
--- a/cc/test/test_context_provider.h
+++ b/cc/test/test_context_provider.h
@@ -18,7 +18,7 @@
 #include "cc/output/context_provider.h"
 #include "cc/test/test_context_support.h"
 #include "gpu/command_buffer/client/gles2_interface_stub.h"
-#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 
 namespace cc {
 class TestWebGraphicsContext3D;
@@ -78,7 +78,7 @@ class TestContextProvider : public ContextProvider {
   base::Lock context_lock_;
 
   LostContextCallback lost_context_callback_;
-  skia::RefPtr<class GrContext> gr_context_;
+  sk_sp<class GrContext> gr_context_;
 
   base::WeakPtrFactory<TestContextProvider> weak_ptr_factory_;