Dart: Reorganize files

mojo/dart/dart_snapshotter/main.cc

Index: mojo/dart/dart_snapshotter/main.cc
diff --git a/mojo/dart/dart_snapshotter/main.cc b/mojo/dart/dart_snapshotter/main.cc
deleted file mode 100644
index 7fb52567fb66ca9d6035210626937a2ca7fa2a7a..0000000000000000000000000000000000000000
--- a/mojo/dart/dart_snapshotter/main.cc
+++ /dev/null
@@ -1,101 +0,0 @@
-// 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 <iostream>
-
-#include "base/at_exit.h"
-#include "base/basictypes.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/logging.h"
-#include "base/process/memory.h"
-#include "dart/runtime/include/dart_api.h"
-#include "mojo/dart/dart_snapshotter/vm.h"
-#include "mojo/edk/embedder/embedder.h"
-#include "mojo/edk/embedder/simple_platform_support.h"
-#include "tonic/dart_error.h"
-#include "tonic/dart_isolate_scope.h"
-#include "tonic/dart_library_loader.h"
-#include "tonic/dart_library_provider_files.h"
-#include "tonic/dart_script_loader_sync.h"
-#include "tonic/dart_state.h"
-
-const char kHelp[] = "help";
-const char kPackageRoot[] = "package-root";
-const char kSnapshot[] = "snapshot";
-
-const uint8_t magic_number[] = { 0xf5, 0xf5, 0xdc, 0xdc };
-
-void Usage() {
-  std::cerr << "Usage: dart_snapshotter"
-            << " --" << kPackageRoot << " --" << kSnapshot
-            << " <dart-app>" << std::endl;
-}
-
-void WriteSnapshot(base::FilePath path) {
-  uint8_t* buffer;
-  intptr_t size;
-  CHECK(!tonic::LogIfError(Dart_CreateScriptSnapshot(&buffer, &size)));
-
-  intptr_t magic_number_len = sizeof(magic_number);
-  CHECK_EQ(base::WriteFile(
-      path, reinterpret_cast<const char*>(magic_number), sizeof(magic_number)),
-      magic_number_len);
-  CHECK(base::AppendToFile(
-      path, reinterpret_cast<const char*>(buffer), size));
-}
-
-int main(int argc, const char* argv[]) {
-  base::AtExitManager exit_manager;
-  base::EnableTerminationOnHeapCorruption();
-  base::CommandLine::Init(argc, argv);
-
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-
-  if (command_line.HasSwitch(kHelp) || command_line.GetArgs().empty()) {
-    Usage();
-    return 0;
-  }
-
-  // Initialize mojo.
-  // TODO(vtl): Use make_unique when C++14 is available.
-  mojo::embedder::Init(std::unique_ptr<mojo::embedder::PlatformSupport>(
-      new mojo::embedder::SimplePlatformSupport()));
-
-  InitDartVM();
-
-  CHECK(command_line.HasSwitch(kPackageRoot)) << "Need --package-root";
-  CHECK(command_line.HasSwitch(kSnapshot)) << "Need --snapshot";
-  auto args = command_line.GetArgs();
-  CHECK(args.size() == 1);
-
-  Dart_Isolate isolate = CreateDartIsolate();
-  CHECK(isolate);
-
-  tonic::DartIsolateScope scope(isolate);
-  tonic::DartApiScope api_scope;
-
-  auto isolate_data = SnapshotterDartState::Current();
-  CHECK(isolate_data != nullptr);
-
-  // Use tonic's library tag handler.
-  CHECK(!tonic::LogIfError(Dart_SetLibraryTagHandler(
-            tonic::DartLibraryLoader::HandleLibraryTag)));
-
-  // Use tonic's file system library provider.
-  isolate_data->set_library_provider(
-      new tonic::DartLibraryProviderFiles(
-          command_line.GetSwitchValuePath(kPackageRoot)));
-
-  // Load script.
-  tonic::DartScriptLoaderSync::LoadScript(args[0],
-                                          isolate_data->library_provider());
-
-  // Write snapshot.
-  WriteSnapshot(command_line.GetSwitchValuePath(kSnapshot));
-
-  return 0;
-}