Split EGLContext in GLContextEGL and GLSurfaceEGL.

ui/gfx/gl/gl_surface.cc

 // Copyright (c) 2011 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 <string>
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "ui/gfx/gl/gl_context.h"
-#include "ui/gfx/gl/gl_bindings.h"
-#include "ui/gfx/gl/gl_implementation.h"
-#include "ui/gfx/gl/gl_switches.h"
+#include "ui/gfx/gl/gl_surface.h"
 
 namespace gfx {
 
-unsigned int GLContext::GetBackingFrameBufferObject() {
+unsigned int GLSurface::GetBackingFrameBufferObject() {
   return 0;
 }
 
-std::string GLContext::GetExtensions() {
-  DCHECK(IsCurrent());
-  const char* ext = reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS));
-  return std::string(ext ? ext : "");
-}
-
-bool GLContext::HasExtension(const char* name) {
-  std::string extensions = GetExtensions();
-  extensions += " ";
-
-  std::string delimited_name(name);
-  delimited_name += " ";
-
-  return extensions.find(delimited_name) != std::string::npos;
-}
-
-bool GLContext::InitializeCommon() {
-  if (!MakeCurrent()) {
-    LOG(ERROR) << "MakeCurrent failed.";
-    return false;
-  }
-
-  if (!IsOffscreen()) {
-    if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableGpuVsync))
-      SetSwapInterval(0);
-    else
-      SetSwapInterval(1);
-  }
-
-  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-  if (glGetError() != GL_NO_ERROR) {
-    LOG(ERROR) << "glClear failed.";
-    return false;
-  }
-
-  return true;
-}
-
 }  // namespace gfx