Add GLStreamTextureImage

content/common/gpu/media/avda_shared_state.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/common/gpu/media/avda_shared_state.h"
 
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/scoped_make_current.h"
 
 namespace content {
 
 AVDASharedState::AVDASharedState()
     : surface_texture_service_id_(0),
       frame_available_event_(false, false),
       surface_texture_is_attached_(false) {}
 
 AVDASharedState::~AVDASharedState() {}
 
 void AVDASharedState::SignalFrameAvailable() {
   frame_available_event_.Signal();
 }
 
 void AVDASharedState::WaitForFrameAvailable() {
   frame_available_event_.Wait();
 }
 
-void AVDASharedState::did_attach_surface_texture() {
+void AVDASharedState::DidAttachSurfaceTexture() {
   context_ = gfx::GLContext::GetCurrent();
   surface_ = gfx::GLSurface::GetCurrent();
   DCHECK(context_);
   DCHECK(surface_);
 
   surface_texture_is_attached_ = true;
 }
 
+void AVDASharedState::DidDetachSurfaceTexture() {
+  context_ = nullptr;
+  surface_ = nullptr;
+  surface_texture_is_attached_ = false;
+}
+
 }  // namespace content