Delete usage and support for EGL_ANGLE_software_display extension.

gpu/command_buffer/service/async_pixel_transfer_manager_egl.cc

 // Copyright 2013 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/command_buffer/service/async_pixel_transfer_manager_egl.h"
 
 #include <list>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 84 matching lines @@
 #if defined(OS_ANDROID) || defined(OS_LINUX)
     SetPriority(base::kThreadPriority_Background);
 #endif
   }
   virtual ~TransferThread() {
     Stop();
   }
 
   virtual void Init() OVERRIDE {
     gfx::GLShareGroup* share_group = NULL;
-    bool software = false;
-    surface_ = new gfx::PbufferGLSurfaceEGL(software, gfx::Size(1,1));
+    surface_ = new gfx::PbufferGLSurfaceEGL(gfx::Size(1, 1));
     surface_->Initialize();
     context_ = gfx::GLContext::CreateGLContext(
         share_group, surface_.get(), gfx::PreferDiscreteGpu);
     bool is_current = context_->MakeCurrent(surface_.get());
     DCHECK(is_current);
   }
 
   virtual void CleanUp() OVERRIDE {
     surface_ = NULL;
     context_->ReleaseCurrent(surface_.get());
@@ skipping 644 matching lines @@
 
 AsyncPixelTransferDelegate*
 AsyncPixelTransferManagerEGL::CreatePixelTransferDelegateImpl(
     gles2::TextureRef* ref,
     const AsyncTexImage2DParams& define_params) {
   return new AsyncPixelTransferDelegateEGL(
       &shared_state_, ref->service_id(), define_params);
 }
 
 }  // namespace gpu