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

content/browser/renderer_host/render_widget_host_view_aura.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 "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 3182 matching lines @@
   idle_frame_subscriber_textures_.clear();
 
   // Make sure all ImageTransportClients are deleted now that the context those
   // are using is becoming invalid. This sends pending ACKs and needs to happen
   // after calling UpdateExternalTexture() which syncs with the impl thread.
   RunOnCommitCallbacks();
 
   DCHECK(!shared_surface_handle_.is_null());
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   factory->DestroySharedSurfaceHandle(shared_surface_handle_);
   shared_surface_handle_ = factory->CreateSharedSurfaceHandle();

[piman, 2013/12/11 01:14:03]

*if* we don't need to change the GLSurfaceHandle, then we can remove these last
few lines.
We likely can simplify further in that we don't need an explicit
"create/destroy", we really only need something like
ImageTransportFactory::GetGpuProcessIdIfEnabled() or something.

-  host_->CompositingSurfaceUpdated();
   host_->ScheduleComposite();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, private:
 
 RenderWidgetHostViewAura::~RenderWidgetHostViewAura() {
   if (paint_observer_)
     paint_observer_->OnViewDestroyed();
   if (touch_editing_client_)
@@ skipping 243 matching lines @@
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewAura(widget);
 }
 
 // static
 void RenderWidgetHostViewPort::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content