Separate image processing logic from presentation logic.

ui/surface/accelerated_surface_win.hlsl

-// 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.
-
-// @gyp_namespace(ui_surface)
-// Compiles into C++ as 'accelerated_surface_win_hlsl_compiled.h'
-
-struct Vertex {
-  float4 position : POSITION;
-  float2 texCoord : TEXCOORD0;
-};
-
-texture t;
-sampler s;
-
-// @gyp_compile(vs_2_0, vsOneTexture)
-//
-// Passes a position and texture coordinate to the pixel shader.
-Vertex vsOneTexture(Vertex input) {
-  return input;
-};
-
-// @gyp_compile(ps_2_0, psOneTexture)
-//
-// Samples a texture at the given texture coordinate and returns the result.
-float4 psOneTexture(float2 texCoord : TEXCOORD0) : COLOR0 {
-  return tex2D(s, texCoord);
-};