services/ui: Move BitmapUploader into mus_demo.

services/ui/public/cpp/bitmap_uploader.h

-// Copyright 2015 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.
-
-#ifndef SERVICES_UI_PUBLIC_CPP_BITMAP_UPLOADER_H_
-#define SERVICES_UI_PUBLIC_CPP_BITMAP_UPLOADER_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/compiler_specific.h"
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "gpu/GLES2/gl2chromium.h"
-#include "gpu/GLES2/gl2extchromium.h"
-#include "services/ui/public/cpp/window_surface.h"
-#include "services/ui/public/cpp/window_surface_client.h"
-#include "services/ui/public/interfaces/surface.mojom.h"
-
-namespace ui {
-class GLES2Context;
-class GpuService;
-
-extern const char kBitmapUploaderForAcceleratedWidget[];
-
-// BitmapUploader is useful if you want to draw a bitmap or color in a
-// Window.
-class BitmapUploader : public WindowSurfaceClient {
- public:
-  BitmapUploader(Window* window, GpuService* gpu_service);
-  ~BitmapUploader() override;
-
-  void Init();
-
-  // Sets the color which is RGBA.
-  void SetColor(uint32_t color);
-
-  enum Format {
-    RGBA,  // Pixel layout on Android.
-    BGRA,  // Pixel layout everywhere else.
-  };
-
-  // Sets a bitmap.
-  void SetBitmap(int width,
-                 int height,
-                 std::unique_ptr<std::vector<unsigned char>> data,
-                 Format format);
-
- private:
-  void Upload();
-
-  uint32_t BindTextureForSize(const gfx::Size& size);
-
-  uint32_t TextureFormat() const {
-    return format_ == BGRA ? GL_BGRA_EXT : GL_RGBA;
-  }
-
-  void SetIdNamespace(uint32_t id_namespace);
-
-  // WindowSurfaceClient implementation.
-  void OnResourcesReturned(
-      WindowSurface* surface,
-      mojo::Array<cc::ReturnedResource> resources) override;
-
-  Window* window_;
-  std::unique_ptr<WindowSurface> surface_;
-  // This may be null if there is an error contacting mus/initializing. We
-  // assume we'll be shutting down soon and do nothing in this case.
-  std::unique_ptr<GLES2Context> gles2_context_;
-  GpuService* gpu_service_;
-
-  uint32_t color_;
-  int width_;
-  int height_;
-  Format format_;
-  std::unique_ptr<std::vector<unsigned char>> bitmap_;
-  uint32_t next_resource_id_;
-  base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(BitmapUploader);
-};
-
-}  // namespace ui
-
-#endif  // SERVICES_UI_PUBLIC_CPP_BITMAP_UPLOADER_H_