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

content/browser/android/in_process_surface_texture_manager.cc

+// 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.
+
+#include "content/browser/android/in_process_surface_texture_manager.h"
+
+#include <android/native_window.h>
+#include <android/native_window_jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/containers/scoped_ptr_hash_map.h"
+#include "base/logging.h"
+
+namespace content {
+
+// static
+InProcessSurfaceTextureManager* InProcessSurfaceTextureManager::GetInstance() {
+  return Singleton<InProcessSurfaceTextureManager,
+                   LeakySingletonTraits<InProcessSurfaceTextureManager>>::get();
+}
+
+void InProcessSurfaceTextureManager::RegisterSurfaceTexture(
+    int surface_texture_id,
+    int client_id,
+    gfx::SurfaceTexture* surface_texture) {
+  base::AutoLock lock(lock_);
+
+  DCHECK(surface_textures_.find(surface_texture_id) == surface_textures_.end());
+  surface_textures_.add(
+      surface_texture_id,
+      make_scoped_ptr(new gfx::ScopedJavaSurface(surface_texture)));
+}
+
+void InProcessSurfaceTextureManager::UnregisterSurfaceTexture(
+    int surface_texture_id,
+    int client_id) {
+  base::AutoLock lock(lock_);
+
+  DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
+  surface_textures_.erase(surface_texture_id);
+}
+
+gfx::AcceleratedWidget
+InProcessSurfaceTextureManager::AcquireNativeWidgetForSurfaceTexture(
+    int surface_texture_id) {
+  base::AutoLock lock(lock_);
+
+  DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
+  JNIEnv* env = base::android::AttachCurrentThread();
+  return ANativeWindow_fromSurface(
+      env, surface_textures_.get(surface_texture_id)->j_surface().obj());
+}
+
+void InProcessSurfaceTextureManager::EstablishSurfaceTexturePeer(
+    base::ProcessHandle render_process_handle,
+    scoped_refptr<gfx::SurfaceTexture> surface_texture,
+    int render_frame_id,
+    int player_id) {
+  NOTIMPLEMENTED();
+}
+
+InProcessSurfaceTextureManager::InProcessSurfaceTextureManager() {
+  SurfaceTexturePeer::InitInstance(this);
+}
+
+InProcessSurfaceTextureManager::~InProcessSurfaceTextureManager() {
+  SurfaceTexturePeer::InitInstance(nullptr);
+}
+
+}  // namespace content