Remove all uses of skia::RefPtr and stale includes

ui/compositor/test/in_process_context_provider.h

 // 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.
 
 #ifndef UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 #define UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "cc/output/context_provider.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
-#include "skia/ext/refptr.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gpu {
 class GLInProcessContext;
 class GpuMemoryBufferManager;
 class ImageFactory;
 }
 
 namespace skia_bindings {
 class GrContextForGLES2Interface;
@@ skipping 54 matching lines @@
   std::string debug_name_;
 
   base::Lock context_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessContextProvider);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_