Refactor Vaapi video decoder/encoder in preparation of Freon support

content/common/gpu/media/vaapi_picture.cc

+// Copyright 2014 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 "content/common/gpu/media/vaapi_picture.h"
+#include "content/common/gpu/media/vaapi_wrapper.h"
+#include "ui/gl/gl_bindings.h"
+#include "ui/gl/gl_implementation.h"
+
+#if defined(USE_X11)
+#include "content/common/gpu/media/vaapi_tfp_picture.h"
+#endif
+
+namespace content {
+
+// static
+linked_ptr<VaapiPicture> VaapiPicture::CreatePicture(
+    const scoped_refptr<VaapiWrapper>& vaapi_wrapper,
+    const base::Callback<bool(void)> make_context_current,
+    int32 picture_buffer_id,
+    uint32 texture_id,
+    const gfx::Size& size) {
+  linked_ptr<VaapiPicture> picture;
+#if defined(USE_X11)
+  picture.reset(new VaapiTFPPicture(vaapi_wrapper, make_context_current,
+                                    picture_buffer_id, texture_id, size));
+#endif  // USE_X11
+
+  if (picture.get() && !picture->Initialize())
+    picture.reset();
+
+  return picture;
+}
+
+// static
+uint32 VaapiPicture::GetGLTextureTarget() {
+  return GL_TEXTURE_2D;
+}
+
+}  // namespace content