For dyen: add ui/gl unittest

ui/gl/gl_gl_api_implementation.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_gl_api_implementation.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 281 matching lines @@
 }
 
 void InitializeStaticGLBindingsGL() {
   g_current_gl_context_tls = new base::ThreadLocalPointer<GLApi>;
   g_driver_gl.InitializeStaticBindings();
   if (!g_real_gl) {
     g_real_gl = new RealGLApi();
     g_trace_gl = new TraceGLApi(g_real_gl);
     g_no_context_gl = new NoContextGLApi();
   }
-  g_real_gl->Initialize(&g_driver_gl);
+  g_real_gl->Initialize(&g_driver_gl, nullptr);
   g_gl = g_real_gl;
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableGPUServiceTracing)) {
     g_gl = g_trace_gl;
   }
   SetGLToRealGLApi();
 }
 
 GLApi* GetCurrentGLApi() {
   return g_current_gl_context_tls->Get();
@@ skipping 62 matching lines @@
   if (g_version_info) {
     delete g_version_info;
     g_version_info = NULL;
   }
 }
 
 GLApi::GLApi() {
 }
 
 GLApi::~GLApi() {
-  if (GetCurrentGLApi() == this)
+  if (g_current_gl_context_tls /* for testing */ && GetCurrentGLApi() == this)
     SetGLApi(NULL);
 }
 
 GLApiBase::GLApiBase()
     : driver_(NULL) {
 }
 
 GLApiBase::~GLApiBase() {
 }
 
 void GLApiBase::InitializeBase(DriverGL* driver) {
   driver_ = driver;
 }
 
 RealGLApi::RealGLApi() {
 }
 
 RealGLApi::~RealGLApi() {
 }
 
-void RealGLApi::Initialize(DriverGL* driver) {
+void RealGLApi::Initialize(DriverGL* driver, base::CommandLine* command_line) {
   InitializeBase(driver);
 }
 
 void RealGLApi::glFlushFn() {
   GLApiBase::glFlushFn();
 }
 
 void RealGLApi::glFinishFn() {
   GLApiBase::glFinishFn();
 }
@@ skipping 115 matching lines @@
 ScopedSetGLToRealGLApi::ScopedSetGLToRealGLApi()
     : old_gl_api_(GetCurrentGLApi()) {
   SetGLToRealGLApi();
 }
 
 ScopedSetGLToRealGLApi::~ScopedSetGLToRealGLApi() {
   SetGLApi(old_gl_api_);
 }
 
 }  // namespace gfx