Eliminate mojo:resource_provider

components/resource_provider/public/cpp/resource_loader.cc

-// 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.
-
-#include "components/resource_provider/public/cpp/resource_loader.h"
-
-#include <stddef.h>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/files/file.h"
-#include "mojo/common/common_type_converters.h"
-#include "mojo/platform_handle/platform_handle_functions.h"
-#include "services/shell/public/cpp/connector.h"
-#include "services/shell/public/interfaces/connector.mojom.h"
-#include "services/shell/public/interfaces/interface_provider.mojom.h"
-
-namespace resource_provider {
-namespace {
-base::File GetFileFromHandle(mojo::ScopedHandle handle) {
-  CHECK(handle.is_valid());
-  MojoPlatformHandle platform_handle;
-  CHECK(MojoExtractPlatformHandle(handle.release().value(),
-                                  &platform_handle) == MOJO_RESULT_OK);
-  return base::File(platform_handle);
-}
-}
-
-ResourceLoader::ResourceLoader(shell::Connector* connector,
-                               const std::set<std::string>& paths)
-    : loaded_(false), did_block_(false) {
-  connector->ConnectToInterface("mojo:resource_provider", &resource_provider_);
-  std::vector<std::string> paths_vector(paths.begin(), paths.end());
-  resource_provider_->GetResources(
-      mojo::Array<mojo::String>::From(paths_vector),
-      base::Bind(&ResourceLoader::OnGotResources, base::Unretained(this),
-                 paths_vector));
-}
-
-ResourceLoader::~ResourceLoader() {
-}
-
-bool ResourceLoader::BlockUntilLoaded() {
-  if (did_block_ || loaded_)
-    return loaded_;
-
-  did_block_ = true;
-  resource_provider_.WaitForIncomingResponse();
-  return loaded_;
-}
-
-base::File ResourceLoader::ReleaseFile(const std::string& path) {
-  CHECK(resource_map_.count(path));
-  std::unique_ptr<base::File> file_wrapper(std::move(resource_map_[path]));
-  resource_map_.erase(path);
-  return std::move(*file_wrapper);
-}
-
-void ResourceLoader::OnGotResources(const std::vector<std::string>& paths,
-                                    mojo::Array<mojo::ScopedHandle> resources) {
-
-  CHECK(!resources.is_null());
-  CHECK_EQ(resources.size(), paths.size());
-  for (size_t i = 0; i < resources.size(); ++i) {
-    resource_map_[paths[i]].reset(
-        new base::File(GetFileFromHandle(std::move(resources[i]))));
-  }
-  loaded_ = true;
-}
-
-}  // namespace resource_provider