Added window manager graphics performance tests to gl_Bench.

client/deps/glbench/src/shaders.h

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BENCH_GL_SHADERS_H_
 #define BENCH_GL_SHADERS_H_
 
 typedef GLuint ShaderProgram;
 
 ShaderProgram InitShaderProgram(const char *vertex_src,
                                 const char *fragment_src);
 void DeleteShaderProgram(ShaderProgram program);
 ShaderProgram AttributeFetchShaderProgram(int attribute_count,
                                           GLuint vertex_buffers[]);
 ShaderProgram VaryingsShaderProgram(int varyings_count, GLuint vertex_buffer);
 ShaderProgram DdxDdyShaderProgram(bool ddx, GLuint vertex_buffer);
 ShaderProgram YuvToRgbShaderProgram(int type, GLuint vertex_buffer,
                                     int width, int height);
+ShaderProgram BasicTextureShaderProgram(GLuint vertex_buffer,
+                                        GLuint texture_buffer);
+ShaderProgram DoubleTextureBlendShaderProgram(GLuint vertex_buffer,
+                                              GLuint texture_buffer_0,
+                                              GLuint texture_buffer_1);
+ShaderProgram TripleTextureBlendShaderProgram(GLuint vertex_buffer,
+                                              GLuint texture_buffer_0,
+                                              GLuint texture_buffer_1,
+                                              GLuint texture_buffer_2);
 
 #endif // BENCH_GL_SHADERS_H_