Delete usage and support for EGL_ANGLE_software_display extension.

ui/gl/gl_surface_win.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/gl/gl_surface.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/mesa/src/include/GL/osmesa.h"
@@ skipping 155 matching lines @@
                 x, y, width, height,
                 GetHandle(),
                 reinterpret_cast<BITMAPINFO*>(&info),
                 DIB_RGB_COLORS,
                 SRCCOPY);
 
   return true;
 }
 
 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface(
-    bool software,
     gfx::AcceleratedWidget window) {
   TRACE_EVENT0("gpu", "GLSurface::CreateViewGLSurface");
   switch (GetGLImplementation()) {
     case kGLImplementationOSMesaGL: {
       scoped_refptr<GLSurface> surface(
           new NativeViewGLSurfaceOSMesa(window));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationEGLGLES2: {
-      scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceEGL(software,
-          window));
+      scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceEGL(window));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationDesktopGL: {
-      if (software)
-        return NULL;
       scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceWGL(
           window));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface(
-    bool software,
     const gfx::Size& size) {
   TRACE_EVENT0("gpu", "GLSurface::CreateOffscreenGLSurface");
   switch (GetGLImplementation()) {
     case kGLImplementationOSMesaGL: {
       scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA,
                                                            size));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationEGLGLES2: {
-      scoped_refptr<GLSurface> surface(new PbufferGLSurfaceEGL(software, size));
+      scoped_refptr<GLSurface> surface(new PbufferGLSurfaceEGL(size));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationDesktopGL: {
-      if (software)
-        return NULL;
       scoped_refptr<GLSurface> surface(new PbufferGLSurfaceWGL(size));
       if (!surface->Initialize())
         return NULL;
 
       return surface;
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace gfx