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

client/deps/glbench/src/teartest.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.
 
 #include <gflags/gflags.h>
 #include <map>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
@@ skipping 173 matching lines @@
 
   GLuint texture = GenerateAndBindTexture();
 
   GLfloat vertices[8] = {
     0.f, 0.f,
     1.f, 0.f,
     0.f, 1.f,
     1.f, 1.f,
   };
 
-  GLuint program = InitShaderProgram(vertex_shader, fragment_shader);
+  GLuint program = glbench::InitShaderProgram(vertex_shader, fragment_shader);
   int attribute_index = glGetAttribLocation(program, "c");
   glVertexAttribPointer(attribute_index, 2, GL_FLOAT, GL_FALSE, 0, vertices);
   glEnableVertexAttribArray(attribute_index);
 
   int texture_sampler = glGetUniformLocation(program, "tex");
   glUniform1f(texture_sampler, 0);
 
   // UniformTest needs a uniform from the shader program.  Get the uniform
   // and instantiate the test.
   Test* uniform_test = GetUniformTest(glGetUniformLocation(program, "shift"));
@@ skipping 46 matching lines @@
 
     t->Stop();
   }
 
   // TODO: cleaner teardown.
 
   glDeleteTextures(1, &texture);
   DestroyContext();
   return return_code;
 }