Revert 131177 - aura: Change shared context to be offscreen for arm

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 408 matching lines @@
                                              surface_.get(),
                                              gpu_preference);
   if (!context_.get()) {
     LOG(ERROR) << "Could not create GLContext.";
     Destroy();
     return false;
   }
 
   if (!decoder_->Initialize(surface_.get(),
                             context_.get(),
-                            true,
                             size,
                             ::gpu::gles2::DisallowedFeatures(),
                             allowed_extensions,
                             attribs)) {
     LOG(ERROR) << "Could not initialize decoder.";
     Destroy();
     return false;
   }
 
   if (!decoder_->SetParent(
@@ skipping 1162 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