Aura: Don't create GL context for GetSharedSurfaceHandle()

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 276 matching lines @@
     gl_helper_.reset();
 }
 
 bool GpuProcessTransportFactory::DoesCreateTestContexts() { return false; }
 
 ui::ContextFactory* GpuProcessTransportFactory::AsContextFactory() {
   return this;
 }
 
 gfx::GLSurfaceHandle GpuProcessTransportFactory::GetSharedSurfaceHandle() {
-  // TODO(sievers): crbug.com/329737
-  //                Creating the context here hurts startup performance.
-  //                Remove this once all tests are happy.
-  SharedMainThreadContextProvider();
-
   gfx::GLSurfaceHandle handle = gfx::GLSurfaceHandle(
       gfx::kNullPluginWindow, gfx::TEXTURE_TRANSPORT);
   handle.parent_client_id =
       BrowserGpuChannelHostFactory::instance()->GetGpuChannelId();
   return handle;
 }
 
 scoped_refptr<ui::Texture> GpuProcessTransportFactory::CreateTransportClient(
     float device_scale_factor) {
   scoped_refptr<cc::ContextProvider> provider =
@@ skipping 165 matching lines @@
                     observer_list_,
                     OnLostResources());
 
   // Kill things that use the shared context before killing the shared context.
   lost_gl_helper.reset();
   lost_offscreen_compositor_contexts = NULL;
   lost_shared_main_thread_contexts  = NULL;
 }
 
 }  // namespace content