blimp: Move compositing, input and render widget feature to client/core.

blimp/client/core/compositor/compositor_deps_provider.h

Index: blimp/client/core/compositor/compositor_deps_provider.h
diff --git a/blimp/client/core/compositor/compositor_deps_provider.h b/blimp/client/core/compositor/compositor_deps_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..e8fd3849dfa56beb969acf901d4ff580f9fd0fe0
--- /dev/null
+++ b/blimp/client/core/compositor/compositor_deps_provider.h
@@ -0,0 +1,75 @@
+// 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 BLIMP_CLIENT_CORE_COMPOSITOR_COMPOSITOR_DEPS_PROVIDER_H_
+#define BLIMP_CLIENT_CORE_COMPOSITOR_COMPOSITOR_DEPS_PROVIDER_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+class Thread;
+}  // namespace base
+
+namespace cc {
+class LayerTreeSettings;
+class OutputSurface;
+class TaskGraphRunner;
+}  // namespace cc
+
+namespace gpu {
+class GpuMemoryBufferManager;
+}  // namespace gpu
+
+namespace blimp {
+namespace client {
+class BlimpGpuMemoryBufferManager;
+
+// This class is not thread-safe and should only be used from the UI thread.
+class CompositorDepsProvider {
+ public:
+  static void Initialize(bool use_internal_display);
+  static void Terminate();
+
+  static CompositorDepsProvider* current();
+
+  bool use_internal_display() const { return use_internal_display_; }
+
+  gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager();
+
+  scoped_refptr<base::SingleThreadTaskRunner> GetCompositorTaskRunner();
+
+  cc::LayerTreeSettings* GetLayerTreeSettings();
+
+  cc::TaskGraphRunner* GetTaskGraphRunner();
+
+  // Used only when we have an internal display.
+  std::unique_ptr<cc::OutputSurface> CreateDelegatedOutputSurface(
+      gfx::AcceleratedWidget widget);
+
+ private:
+  explicit CompositorDepsProvider(bool use_internal_display);
+  ~CompositorDepsProvider();
+
+  void GenerateLayerTreeSettings(cc::LayerTreeSettings* settings);
+
+  const bool use_internal_display_;
+
+  std::unique_ptr<cc::LayerTreeSettings> settings_;
+  std::unique_ptr<BlimpGpuMemoryBufferManager> gpu_memory_buffer_manager_;
+  std::unique_ptr<cc::TaskGraphRunner> task_graph_runner_;
+
+  // Lazily created thread that will run the compositor rendering tasks and will
+  // be shared by all compositor instances.
+  std::unique_ptr<base::Thread> compositor_thread_;
+
+  DISALLOW_COPY_AND_ASSIGN(CompositorDepsProvider);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_CORE_COMPOSITOR_COMPOSITOR_DEPS_PROVIDER_H_