Allow textures to be moved from one GL context group to another.

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

 // Copyright (c) 2012 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 "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
 
 #include <GLES2/gl2.h>
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 381 matching lines @@
   if (!command_buffer_->Initialize()) {
     LOG(ERROR) << "Could not initialize command buffer.";
     Destroy();
     return false;
   }
 
   // TODO(gman): This needs to be true if this is Pepper.
   bool bind_generates_resource = false;
   decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group ?
       context_group->decoder_->GetContextGroup() :
-          new ::gpu::gles2::ContextGroup(bind_generates_resource)));
+          new ::gpu::gles2::ContextGroup(NULL, bind_generates_resource)));
 
   gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
                                         decoder_.get(),
                                         decoder_.get()));
 
   decoder_->set_engine(gpu_scheduler_.get());
 
   surface_ = gfx::GLSurface::CreateOffscreenGLSurface(false, gfx::Size(1, 1));
 
   if (!surface_.get()) {
@@ skipping 1189 matching lines @@
 void WebGraphicsContext3DInProcessCommandBufferImpl::OnContextLost() {
   // TODO(kbr): improve the precision here.
   context_lost_reason_ = GL_UNKNOWN_CONTEXT_RESET_ARB;
   if (context_lost_callback_) {
     context_lost_callback_->onContextLost();
   }
 }
 
 }  // namespace gpu
 }  // namespace webkit