Implement WiFi Display elementary stream packetizer.

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 71 matching lines @@
           # Enable HiDPI support.
           'enable_hidpi%': 0,
 
           # Enable top chrome material design.
           'enable_topchrome_md%' : 0,
 
           # Enable Wayland display server support.
           'enable_wayland_server%' : 0,
 
           # Enable Wi-Fi Display support.
+          # WARNING: This enables MPEG Transport Stream (MPEG-TS) encoding!
           'enable_wifi_display%' : 0,
 
           # By default we build against a stable sysroot image to avoid
           # depending on the packages installed on the local machine. Set this
           # to 0 to build against locally installed headers and libraries (e.g.
           # if packaging for a linux distro)
           'use_sysroot%': 1,
 
           # Override buildtype to select the desired build flavor.
           # Dev - everyday build for development/testing
@@ skipping 6260 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }