Remove CHROME_VERSION_EXTRA from envsetup.

build/android/envsetup_functions.sh

 #!/bin/bash
 
 # 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.
 
 # Defines functions for envsetup.sh which sets up environment for building
 # Chromium on Android.  The build can be either use the Android NDK/SDK or
 # android source tree.  Each has a unique init function which calls functions
 # prefixed with "common_" that is common for both environment setups.
@@ skipping 75 matching lines @@
   if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
     DEFINES+=" branding=Chrome"
     DEFINES+=" buildtype=Official"
 
     # These defines are used by various chrome build scripts to tag the binary's
     # version string as 'official' in linux builds (e.g. in
     # chrome/trunk/src/chrome/tools/build/version.py).
     export OFFICIAL_BUILD=1
     export CHROMIUM_BUILD="_google_chrome"
     export CHROME_BUILD_TYPE="_official"
-
-    # Used by chrome_version_info_posix.cc to display the channel name.
-    # Valid values: "unstable", "stable", "dev", "beta".
-    export CHROME_VERSION_EXTRA="beta"
   fi
 
   # The order file specifies the order of symbols in the .text section of the
   # shared library, libchromeview.so.  The file is an order list of section
   # names and the library is linked with option
   # --section-ordering-file=<orderfile>. The order file is updated by profiling
   # startup after compiling with the order_profiling=1 GYP_DEFINES flag.
   ORDER_DEFINES="order_text_section=${CHROME_SRC}/orderfiles/orderfile.out"
 
   # The following defines will affect ARM code generation of both C/C++ compiler
@@ skipping 166 matching lines @@
   export GYP_DEFINES="${DEFINES}"
 
   export GYP_GENERATORS="android"
 
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} limit_to_target_all=1"
   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} auto_regeneration=0"
 
   export CHROMIUM_GYP_FILE="${CHROME_SRC}/android_webview/all_webview.gyp"
 }