Remove screen capturers from media/video/capture/screen.

media/video/capture/screen/mac/scoped_pixel_buffer_object.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 "media/video/capture/screen/mac/scoped_pixel_buffer_object.h"
-
-namespace media {
-
-ScopedPixelBufferObject::ScopedPixelBufferObject()
-    : cgl_context_(NULL),
-      pixel_buffer_object_(0) {
-}
-
-ScopedPixelBufferObject::~ScopedPixelBufferObject() {
-  Release();
-}
-
-bool ScopedPixelBufferObject::Init(CGLContextObj cgl_context,
-                                      int size_in_bytes) {
-  cgl_context_ = cgl_context;
-  CGLContextObj CGL_MACRO_CONTEXT = cgl_context_;
-  glGenBuffersARB(1, &pixel_buffer_object_);
-  if (glGetError() == GL_NO_ERROR) {
-    glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, pixel_buffer_object_);
-    glBufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, size_in_bytes, NULL,
-                    GL_STREAM_READ_ARB);
-    glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0);
-    if (glGetError() != GL_NO_ERROR) {
-      Release();
-    }
-  } else {
-    cgl_context_ = NULL;
-    pixel_buffer_object_ = 0;
-  }
-  return pixel_buffer_object_ != 0;
-}
-
-void ScopedPixelBufferObject::Release() {
-  if (pixel_buffer_object_) {
-    CGLContextObj CGL_MACRO_CONTEXT = cgl_context_;
-    glDeleteBuffersARB(1, &pixel_buffer_object_);
-    cgl_context_ = NULL;
-    pixel_buffer_object_ = 0;
-  }
-}
-
-} // namespace media