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diff --git a/node_modules/chromium-pickle-js/README.md b/node_modules/chromium-pickle-js/README.md
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+# chromium-pickle-js [![Build Status](https://travis-ci.org/electron/node-chromium-pickle-js.svg?branch=master)](https://travis-ci.org/electron/node-chromium-pickle-js)
+
+This module ports Chromium's `Pickle` class to Node, see `Pickle`'s header for
+introduction:
+
+> This class provides facilities for basic binary value packing and unpacking.
+>
+> The Pickle class supports appending primitive values (ints, strings, etc.)
+> to a pickle instance.  The Pickle instance grows its internal memory buffer
+> dynamically to hold the sequence of primitive values.   The internal memory
+> buffer is exposed as the "data" of the Pickle.  This "data" can be passed
+> to a Pickle object to initialize it for reading.
+>
+> When reading from a Pickle object, it is important for the consumer to know
+> what value types to read and in what order to read them as the Pickle does
+> not keep track of the type of data written to it.
+>
+> The Pickle's data has a header which contains the size of the Pickle's
+> payload.  It can optionally support additional space in the header.  That
+> space is controlled by the header_size parameter passed to the Pickle
+> constructor.
+
+## Install
+
+```bash
+$ npm install chromium-pickle-js
+```
+
+## Usage
+
+### createEmpty()
+
+Returns an empty `Pickle` object.
+
+### createFromBuffer(buffer)
+
+* `buffer` Buffer
+
+Returns a `Pickle` object that initialized from a `buffer`. The data is not
+copied so you have to ensure the `buffer` lives when using the Pickle object,
+and you should never modify the Pickle object created this way.
+
+### Pickle.createIterator()
+
+Returns a `PickleIterator` object that can be used to read data from this
+`Pickle` object.
+
+### Pickle.toBuffer()
+
+Returns a `Buffer` object that contains this `Pickle` object's data.
+
+### Pickle.writeBool(value)
+
+Writes `value` to `Pickle` object as `bool`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeInt(value)
+
+Writes `value` to `Pickle` object as `int`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeUInt32(value)
+
+Writes `value` to `Pickle` object as `uint32`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeInt64(value)
+
+Writes `value` to `Pickle` object as `int64`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeUInt64(value)
+
+Writes `value` to `Pickle` object as `uint64`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeFloat(value)
+
+Writes `value` to `Pickle` object as `float`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeDouble(value)
+
+Writes `value` to `Pickle` object as `Double`. Returns `true` when succeeded and
+returns `false` when failed.
+
+### Pickle.writeString(str)
+
+* `str` String
+
+Writes `str` to `Pickle` object. Returns `true` when succeeded and returns
+`false` when failed.
+
+### PickleIterator.readBool()
+
+Returns current value as `bool` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readInt()
+
+Returns current value as `int` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readUInt32()
+
+Returns current value as `uint32` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readInt64()
+
+Returns current value as `int64` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readUInt64()
+
+Returns current value as `uint64` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readFloat()
+
+Returns current value as `float` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readDouble()
+
+Returns current value as `double` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
+
+### PickleIterator.readString()
+
+Returns current value as `String` and seeks to next data. A`TypeError` exception
+would be thrown when failed.
diff --git a/node_modules/chromium-pickle-js/lib/exports.js b/node_modules/chromium-pickle-js/lib/exports.js
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+var Pickle = require('./pickle')
+
+module.exports = {
+  createEmpty: function () {
+    return new Pickle()
+  },
+
+  createFromBuffer: function (buffer) {
+    return new Pickle(buffer)
+  }
+}
diff --git a/node_modules/chromium-pickle-js/lib/pickle.js b/node_modules/chromium-pickle-js/lib/pickle.js
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+// sizeof(T).
+var SIZE_INT32 = 4
+var SIZE_UINT32 = 4
+var SIZE_INT64 = 8
+var SIZE_UINT64 = 8
+var SIZE_FLOAT = 4
+var SIZE_DOUBLE = 8
+
+// The allocation granularity of the payload.
+var PAYLOAD_UNIT = 64
+
+// Largest JS number.
+var CAPACITY_READ_ONLY = 9007199254740992
+
+// Aligns 'i' by rounding it up to the next multiple of 'alignment'.
+var alignInt = function (i, alignment) {
+  return i + (alignment - (i % alignment)) % alignment
+}
+
+// PickleIterator reads data from a Pickle. The Pickle object must remain valid
+// while the PickleIterator object is in use.
+var PickleIterator = (function () {
+  function PickleIterator (pickle) {
+    this.payload = pickle.header
+    this.payloadOffset = pickle.headerSize
+    this.readIndex = 0
+    this.endIndex = pickle.getPayloadSize()
+  }
+
+  PickleIterator.prototype.readBool = function () {
+    return this.readInt() !== 0
+  }
+
+  PickleIterator.prototype.readInt = function () {
+    return this.readBytes(SIZE_INT32, Buffer.prototype.readInt32LE)
+  }
+
+  PickleIterator.prototype.readUInt32 = function () {
+    return this.readBytes(SIZE_UINT32, Buffer.prototype.readUInt32LE)
+  }
+
+  PickleIterator.prototype.readInt64 = function () {
+    return this.readBytes(SIZE_INT64, Buffer.prototype.readInt64LE)
+  }
+
+  PickleIterator.prototype.readUInt64 = function () {
+    return this.readBytes(SIZE_UINT64, Buffer.prototype.readUInt64LE)
+  }
+
+  PickleIterator.prototype.readFloat = function () {
+    return this.readBytes(SIZE_FLOAT, Buffer.prototype.readFloatLE)
+  }
+
+  PickleIterator.prototype.readDouble = function () {
+    return this.readBytes(SIZE_DOUBLE, Buffer.prototype.readDoubleLE)
+  }
+
+  PickleIterator.prototype.readString = function () {
+    return this.readBytes(this.readInt()).toString()
+  }
+
+  PickleIterator.prototype.readBytes = function (length, method) {
+    var readPayloadOffset = this.getReadPayloadOffsetAndAdvance(length)
+    if (method != null) {
+      return method.call(this.payload, readPayloadOffset, length)
+    } else {
+      return this.payload.slice(readPayloadOffset, readPayloadOffset + length)
+    }
+  }
+
+  PickleIterator.prototype.getReadPayloadOffsetAndAdvance = function (length) {
+    if (length > this.endIndex - this.readIndex) {
+      this.readIndex = this.endIndex
+      throw new Error('Failed to read data with length of ' + length)
+    }
+    var readPayloadOffset = this.payloadOffset + this.readIndex
+    this.advance(length)
+    return readPayloadOffset
+  }
+
+  PickleIterator.prototype.advance = function (size) {
+    var alignedSize = alignInt(size, SIZE_UINT32)
+    if (this.endIndex - this.readIndex < alignedSize) {
+      this.readIndex = this.endIndex
+    } else {
+      this.readIndex += alignedSize
+    }
+  }
+
+  return PickleIterator
+})()
+
+// This class provides facilities for basic binary value packing and unpacking.
+//
+// The Pickle class supports appending primitive values (ints, strings, etc.)
+// to a pickle instance.  The Pickle instance grows its internal memory buffer
+// dynamically to hold the sequence of primitive values.   The internal memory
+// buffer is exposed as the "data" of the Pickle.  This "data" can be passed
+// to a Pickle object to initialize it for reading.
+//
+// When reading from a Pickle object, it is important for the consumer to know
+// what value types to read and in what order to read them as the Pickle does
+// not keep track of the type of data written to it.
+//
+// The Pickle's data has a header which contains the size of the Pickle's
+// payload.  It can optionally support additional space in the header.  That
+// space is controlled by the header_size parameter passed to the Pickle
+// constructor.
+var Pickle = (function () {
+  function Pickle (buffer) {
+    if (buffer) {
+      this.initFromBuffer(buffer)
+    } else {
+      this.initEmpty()
+    }
+  }
+
+  Pickle.prototype.initEmpty = function () {
+    this.header = new Buffer(0)
+    this.headerSize = SIZE_UINT32
+    this.capacityAfterHeader = 0
+    this.writeOffset = 0
+    this.resize(PAYLOAD_UNIT)
+    this.setPayloadSize(0)
+  }
+
+  Pickle.prototype.initFromBuffer = function (buffer) {
+    this.header = buffer
+    this.headerSize = buffer.length - this.getPayloadSize()
+    this.capacityAfterHeader = CAPACITY_READ_ONLY
+    this.writeOffset = 0
+    if (this.headerSize > buffer.length) {
+      this.headerSize = 0
+    }
+    if (this.headerSize !== alignInt(this.headerSize, SIZE_UINT32)) {
+      this.headerSize = 0
+    }
+    if (this.headerSize === 0) {
+      this.header = new Buffer(0)
+    }
+  }
+
+  Pickle.prototype.createIterator = function () {
+    return new PickleIterator(this)
+  }
+
+  Pickle.prototype.toBuffer = function () {
+    return this.header.slice(0, this.headerSize + this.getPayloadSize())
+  }
+
+  Pickle.prototype.writeBool = function (value) {
+    return this.writeInt(value ? 1 : 0)
+  }
+
+  Pickle.prototype.writeInt = function (value) {
+    return this.writeBytes(value, SIZE_INT32, Buffer.prototype.writeInt32LE)
+  }
+
+  Pickle.prototype.writeUInt32 = function (value) {
+    return this.writeBytes(value, SIZE_UINT32, Buffer.prototype.writeUInt32LE)
+  }
+
+  Pickle.prototype.writeInt64 = function (value) {
+    return this.writeBytes(value, SIZE_INT64, Buffer.prototype.writeInt64LE)
+  }
+
+  Pickle.prototype.writeUInt64 = function (value) {
+    return this.writeBytes(value, SIZE_UINT64, Buffer.prototype.writeUInt64LE)
+  }
+
+  Pickle.prototype.writeFloat = function (value) {
+    return this.writeBytes(value, SIZE_FLOAT, Buffer.prototype.writeFloatLE)
+  }
+
+  Pickle.prototype.writeDouble = function (value) {
+    return this.writeBytes(value, SIZE_DOUBLE, Buffer.prototype.writeDoubleLE)
+  }
+
+  Pickle.prototype.writeString = function (value) {
+    var length = Buffer.byteLength(value, 'utf8')
+    if (!this.writeInt(length)) {
+      return false
+    }
+    return this.writeBytes(value, length)
+  }
+
+  Pickle.prototype.setPayloadSize = function (payloadSize) {
+    return this.header.writeUInt32LE(payloadSize, 0)
+  }
+
+  Pickle.prototype.getPayloadSize = function () {
+    return this.header.readUInt32LE(0)
+  }
+
+  Pickle.prototype.writeBytes = function (data, length, method) {
+    var dataLength = alignInt(length, SIZE_UINT32)
+    var newSize = this.writeOffset + dataLength
+    if (newSize > this.capacityAfterHeader) {
+      this.resize(Math.max(this.capacityAfterHeader * 2, newSize))
+    }
+    if (method != null) {
+      method.call(this.header, data, this.headerSize + this.writeOffset)
+    } else {
+      this.header.write(data, this.headerSize + this.writeOffset, length)
+    }
+    var endOffset = this.headerSize + this.writeOffset + length
+    this.header.fill(0, endOffset, endOffset + dataLength - length)
+    this.setPayloadSize(newSize)
+    this.writeOffset = newSize
+    return true
+  }
+
+  Pickle.prototype.resize = function (newCapacity) {
+    newCapacity = alignInt(newCapacity, PAYLOAD_UNIT)
+    this.header = Buffer.concat([this.header, new Buffer(newCapacity)])
+    this.capacityAfterHeader = newCapacity
+  }
+
+  return Pickle
+})()
+
+module.exports = Pickle
diff --git a/node_modules/chromium-pickle-js/package.json b/node_modules/chromium-pickle-js/package.json
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+{
+  "main": "./lib/exports.js",
+  "name": "chromium-pickle-js",
+  "description": "Binary value packing and unpacking",
+  "version": "0.2.0",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/electron/node-chromium-pickle-js.git"
+  },
+  "bugs": {
+    "url": "https://github.com/electron/node-chromium-pickle-js/issues"
+  },
+  "scripts": {
+    "test": "mocha test && standard"
+  },
+  "devDependencies": {
+    "mocha": "^3.0.2",
+    "standard": "^8.0.0"
+  }
+}