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      1 #!/bin/bash
      2 #
      3 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style license that can be
      5 # found in the LICENSE file.
      6 
      7 # If no flags are given, prints the current content shell flags.
      8 #
      9 # Otherwise, the given flags are used to REPLACE (not modify) the content shell
     10 # flags. For example:
     11 #   adb_android_webview_command_line --enable-webgl
     12 #
     13 # To remove all content shell flags, pass an empty string for the flags:
     14 #   adb_android_webview_command_line ""
     15 
     16 CMD_LINE_FILE=/data/local/tmp/android-webview-command-line
     17 
     18 if [ $# -eq 0 ] ; then
     19   # If nothing specified, print the command line (stripping off "content_shell")
     20   tempfile=$(tempfile)
     21   adb pull $CMD_LINE_FILE $tempfile 2>/dev/null
     22   if [ $? -eq 0 ] ; then
     23     rm $tempfile
     24     adb shell cat $CMD_LINE_FILE | cut -d " " -f "2-" 2>/dev/null
     25   fi
     26 elif [ $# -eq 1 ] && [ "$1" = '' ] ; then
     27   # If given an empty string, delete the command line.
     28   set -x
     29   adb shell rm $CMD_LINE_FILE >/dev/null
     30 else
     31   # Else set it.
     32   set -x
     33   adb shell "echo 'android_webview $*' > $CMD_LINE_FILE"
     34   # Prevent other apps from modifying flags -- this can create security issues.
     35   adb shell chmod 0664 $CMD_LINE_FILE
     36 fi
     37 
     38