command_buffer_gles2: Add test command_buffer_gles2_test for command_buffer_gles2

gpu/gles2_conform_support/egl/egl.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 <EGL/egl.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/strings/string_split.h"
@@ skipping 125 matching lines @@
     // argc, argv in CommandLine::Init(argc, argv).
     command_line->InitFromArgv(argv);
     if (!command_line->HasSwitch(switches::kDisableGpuDriverBugWorkarounds)) {
       gpu::GPUInfo gpu_info;
       gpu::CollectBasicGraphicsInfo(&gpu_info);
       gpu::ApplyGpuDriverBugWorkarounds(gpu_info, command_line);
     }
 
     gfx::GLSurface::InitializeOneOff();
   }
-
-  *major = 1;
-  *minor = 4;
+  if (major)
+    *major = 1;
+  if (minor)
+    *minor = 4;
   return EglSuccess(EGL_TRUE);
 }
 
 EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy) {
   EGLint error_code = ValidateDisplay(dpy);
   if (error_code != EGL_SUCCESS)
     return EglError(error_code, EGL_FALSE);
 
   egl::Display* display = static_cast<egl::Display*>(dpy);
   delete display;
@@ skipping 308 matching lines @@
   return EGL_FALSE;
 }
 
 /* Now, define eglGetProcAddress using the generic function ptr. type */
 EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
 eglGetProcAddress(const char* procname) {
   return reinterpret_cast<__eglMustCastToProperFunctionPointerType>(
       gles2::GetGLFunctionPointer(procname));
 }
 }  // extern "C"