Delete usage and support for EGL_ANGLE_software_display extension.

ui/surface/accelerated_surface_mac.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 "ui/surface/accelerated_surface_mac.h"
 
 #include "base/logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "ui/gfx/rect.h"
 #include "ui/gl/gl_bindings.h"
@@ skipping 21 matching lines @@
   // Ensure GL is initialized before trying to create an offscreen GL context.
   if (!gfx::GLSurface::InitializeOneOff())
     return false;
 
   // Drawing to IOSurfaces via OpenGL only works with Apple's GL and
   // not with the OSMesa software renderer.
   if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL &&
       gfx::GetGLImplementation() != gfx::kGLImplementationAppleGL)
     return false;
 
-  gl_surface_ = gfx::GLSurface::CreateOffscreenGLSurface(
-      false, gfx::Size(1, 1));
+  gl_surface_ = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1));
   if (!gl_surface_.get()) {
     Destroy();
     return false;
   }
 
   gfx::GLShareGroup* share_group =
       share_context ? share_context->share_group() : NULL;
 
   gl_context_ = gfx::GLContext::CreateGLContext(
       share_group,
@@ skipping 213 matching lines @@
   // make our IOSurfaces global and send back their identifiers. On
   // the browser process side the identifier is reconstituted into an
   // IOSurface for on-screen rendering.
   io_surface_id_ = io_surface_support->IOSurfaceGetID(io_surface_);
   return io_surface_id_;
 }
 
 uint32 AcceleratedSurface::GetSurfaceId() {
   return io_surface_id_;
 }