Re-land: content: Single process support for native GpuMemoryBuffers.

content/browser/android/in_process_surface_texture_manager.h

+// Copyright 2015 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 CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_
+#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_
+
+#include "content/common/android/surface_texture_manager.h"
+
+#include "base/containers/scoped_ptr_hash_map.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/singleton.h"
+#include "base/synchronization/lock.h"
+#include "content/common/android/surface_texture_peer.h"
+#include "ui/gl/android/scoped_java_surface.h"
+
+namespace content {
+
+class InProcessSurfaceTextureManager : public SurfaceTextureManager,
+                                       public SurfaceTexturePeer {
+ public:
+  static InProcessSurfaceTextureManager* GetInstance();
+
+  // Overridden from SurfaceTextureManager:
+  void RegisterSurfaceTexture(int surface_texture_id,
+                              int client_id,
+                              gfx::SurfaceTexture* surface_texture) override;
+  void UnregisterSurfaceTexture(int surface_texture_id, int client_id) override;
+  gfx::AcceleratedWidget AcquireNativeWidgetForSurfaceTexture(
+      int surface_texture_id) override;
+
+  // Overridden from SurfaceTexturePeer:
+  void EstablishSurfaceTexturePeer(
+      base::ProcessHandle render_process_handle,
+      scoped_refptr<gfx::SurfaceTexture> surface_texture,
+      int render_frame_id,
+      int player_id) override;
+
+ private:
+  friend struct DefaultSingletonTraits<InProcessSurfaceTextureManager>;
+
+  InProcessSurfaceTextureManager();
+  ~InProcessSurfaceTextureManager() override;
+
+  using SurfaceTextureMap =
+      base::ScopedPtrHashMap<int, scoped_ptr<gfx::ScopedJavaSurface>>;
+  SurfaceTextureMap surface_textures_;
+  base::Lock lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(InProcessSurfaceTextureManager);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SURFACE_TEXTURE_MANAGER_H_