har import

third_party/WebKit/Source/devtools/front_end/network/HARLoader.js

Index: third_party/WebKit/Source/devtools/front_end/network/HARLoader.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/HARLoader.js b/third_party/WebKit/Source/devtools/front_end/network/HARLoader.js
new file mode 100644
index 0000000000000000000000000000000000000000..25f6e495d3470089f6c2fa19f36ac8b7e726fa46
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/front_end/network/HARLoader.js
@@ -0,0 +1,43 @@
+// Copyright 2017 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.
+
+/**
+ * @implements {Bindings.OutputStreamDelegate}
+ */
+Network.HARLoader = class {
+  constructor(file) {
+    this._outputStream = new Common.StringOutputStream();
+
+    var fileReader = new Bindings.ChunkedFileReader(file, Network.HARLoader.TransferChunkLengthBytes, this);
+    fileReader.start(this._outputStream);
+  }
+
+  /**
+   * @override
+   */
+  onTransferStarted() {}
+
+  /**
+   * @override
+   */
+  onTransferFinished() {
+    var json = JSON.parse(this._outputStream.data());
+    NetworkLog.networkLog.loadHAR(json);
+  }
+
+  /**
+   * @override
+   * @param {!Bindings.ChunkedReader} reader
+   */
+  onChunkTransferred(reader) {}
+
+  /**
+   * @override
+   * @param {!Bindings.ChunkedReader} reader
+   * @param {!Event} event
+   */
+  onError(reader, event) {}
+};
+
+Network.HARLoader.TransferChunkLengthBytes = 5000000;