Fix crash caused by concurrent access to framebuffer_combo_complete_map_.

gpu/gles2_conform_support/egl/display.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 "gpu/gles2_conform_support/egl/display.h"
 
 #include <vector>
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
@@ skipping 98 matching lines @@
   {
     gpu::TransferBufferManager* manager = new gpu::TransferBufferManager();
     transfer_buffer_manager_ = manager;
     manager->Initialize();
   }
   scoped_ptr<gpu::CommandBufferService> command_buffer(
       new gpu::CommandBufferService(transfer_buffer_manager_.get()));
   if (!command_buffer->Initialize())
     return NULL;
 
-  scoped_refptr<gpu::gles2::ContextGroup> group(
-      new gpu::gles2::ContextGroup(NULL,
-                                   NULL,
-                                   new gpu::gles2::ShaderTranslatorCache,
-                                   NULL,
-                                   NULL,
-                                   NULL,
-                                   true));
+  scoped_refptr<gpu::gles2::ContextGroup> group(new gpu::gles2::ContextGroup(
+      NULL, NULL, new gpu::gles2::ShaderTranslatorCache,
+      new gpu::gles2::FramebufferCompletenessCache, NULL, NULL, NULL, true));
 
   decoder_.reset(gpu::gles2::GLES2Decoder::Create(group.get()));
   if (!decoder_.get())
     return EGL_NO_SURFACE;
 
   gpu_scheduler_.reset(new gpu::GpuScheduler(command_buffer.get(),
                                              decoder_.get(),
                                              NULL));
 
   decoder_->set_engine(gpu_scheduler_.get());
@@ skipping 201 matching lines @@
 void Display::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }
 
 bool Display::IsGpuChannelLost() {
   NOTIMPLEMENTED();
   return false;
 }
 
 }  // namespace egl