Split tests into individual files. Got rid of globals by converting them to classes.

client/deps/glbench/src/windowmanagertest.cc

 // 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.
 
 // Application that displays graphics using OpenGL [ES] with the intent
 // of being used in functional tests.
 
 #include <gflags/gflags.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ skipping 80 matching lines @@
   glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, g_height, g_width, 0,
                GL_LUMINANCE, GL_UNSIGNED_BYTE, bitmap);
 
   GLfloat vertices[8] = {
     0.f, 0.f,
     1.f, 0.f,
     0.f, 1.f,
     1.f, 1.f,
   };
 
-  GLuint program = InitShaderProgram(kVertexShader, kFragmentShader);
+  GLuint program = glbench::InitShaderProgram(kVertexShader, kFragmentShader);
   int attribute_index = glGetAttribLocation(program, "vertices");
   glVertexAttribPointer(attribute_index, 2, GL_FLOAT, GL_FALSE, 0, vertices);
   glEnableVertexAttribArray(attribute_index);
 
   int texture_sampler = glGetUniformLocation(program, "tex");
   glUniform1i(texture_sampler, 0);
 
   int display_color = glGetUniformLocation(program, "color");
   float white[4] = {1.0f, 1.0f, 1.0f, 1.0f};
   float blue[4] = {0.5f, 0.5f, 1.0f, 1.0f};
@@ skipping 43 matching lines @@
     // Advance to next state
     last_event_time = GetUTime();
     state = static_cast<State>(state + 1);
 
   } while (state != kStateExit);
 
   glDeleteTextures(1, &texture);
   DestroyContext();
   return 0;
 }