During image destroy, delete textures only if we have a GL context.

gpu/command_buffer/service/stream_texture_manager_in_process_android.cc

 // Copyright 2013 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 "gpu/command_buffer/service/stream_texture_manager_in_process_android.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/android/surface_texture.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_image.h"
 
 namespace gpu {
 
 namespace {
 
 // Simply wraps a SurfaceTexture reference as a GLImage.
 class GLImageImpl : public gfx::GLImage {
  public:
   GLImageImpl(const scoped_refptr<gfx::SurfaceTexture>& surface_texture,
               const base::Closure& release_callback);
 
   // implement gfx::GLImage
-  virtual void Destroy() OVERRIDE;
+  virtual void Destroy(bool have_context) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE;
   virtual void WillUseTexImage() OVERRIDE;
   virtual void DidUseTexImage() OVERRIDE {}
   virtual void WillModifyTexImage() OVERRIDE {}
   virtual void DidModifyTexImage() OVERRIDE {}
 
  private:
   virtual ~GLImageImpl();
 
   scoped_refptr<gfx::SurfaceTexture> surface_texture_;
   base::Closure release_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(GLImageImpl);
 };
 
 GLImageImpl::GLImageImpl(
     const scoped_refptr<gfx::SurfaceTexture>& surface_texture,
     const base::Closure& release_callback)
     : surface_texture_(surface_texture), release_callback_(release_callback) {}
 
 GLImageImpl::~GLImageImpl() {
   release_callback_.Run();
 }
 
-void GLImageImpl::Destroy() {
+void GLImageImpl::Destroy(bool have_context) {
   NOTREACHED();
 }
 
 void GLImageImpl::WillUseTexImage() {
   surface_texture_->UpdateTexImage();
 }
 
 bool GLImageImpl::BindTexImage(unsigned target) {
   NOTREACHED();
   return false;
@@ skipping 78 matching lines @@
 StreamTextureManagerInProcess::GetSurfaceTexture(uint32 stream_id) {
   base::AutoLock lock(map_lock_);
   TextureMap::const_iterator it = textures_.find(stream_id);
   if (it != textures_.end())
     return it->second;
 
   return NULL;
 }
 
 }  // namespace gpu