Introduce Display Compositor mojo interface. Use InProcessContextProvider.

gpu/ipc/gpu_in_process_thread_service.h

 // Copyright 2016 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 GPU_IPC_GPU_IN_PROCESS_THREAD_SERVICE_H_
 #define GPU_IPC_GPU_IN_PROCESS_THREAD_SERVICE_H_
 
+#include "base/compiler_specific.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
+#include "gpu/gpu_export.h"
 #include "gpu/ipc/in_process_command_buffer.h"
 #include "ui/gl/gl_share_group.h"
 
 namespace gpu {
 
-// Default Service class when a null service is used.
-class GpuInProcessThreadService
-    : public gpu::InProcessCommandBuffer::Service,
+// Default Service class when no service is specified. GpuInProcessThreadService
+// is used by Mus and unit tests.
+class GPU_EXPORT GpuInProcessThreadService
+    : public NON_EXPORTED_BASE(gpu::InProcessCommandBuffer::Service),
       public base::RefCountedThreadSafe<GpuInProcessThreadService> {
  public:
   GpuInProcessThreadService(
       scoped_refptr<base::SingleThreadTaskRunner> task_runner,
       gpu::SyncPointManager* sync_point_manager,
       gpu::gles2::MailboxManager* mailbox_manager,
       scoped_refptr<gl::GLShareGroup> share_group);
 
   // gpu::InProcessCommandBuffer::Service implementation.
   void ScheduleTask(const base::Closure& task) override;
@@ skipping 19 matching lines @@
   scoped_refptr<gpu::gles2::ShaderTranslatorCache> shader_translator_cache_;
   scoped_refptr<gpu::gles2::FramebufferCompletenessCache>
       framebuffer_completeness_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuInProcessThreadService);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_GPU_IN_PROCESS_THREAD_SERVICE_H_