Add --continous parameter for adb_profile_chrome

build/android/adb_profile_chrome

 #!/bin/bash
 #
 # Copyright 2013 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.
 #
 # Start / stop profiling in chrome.
 
 # The profiling data is saved to directory /sdcard/Download. The files
 # are named beginning chrome-profile-results-
 #
 # Assumes you have sourced the android build environment script
 # (e.g. 'adb' is on your path).
 set -e
 
 usage() {
   echo "adb_profile_chrome [--start [-o file] [-c C]|--stop|-d|-t N] [-v N]"
   echo "See http://dev.chromium.org/developers/how-tos/trace-event-profiling-tool for detailed instructions on profiling."
   echo ""
   echo "  --start            Start profiling."
   echo "  --output|-o file   Save profile output to file. "
   echo "                     (Default is /sdcard/Download/chrome-profile-results-*)"
   echo "  --categories|-c C  Select categories to trace with comma-delimited wildcards."
   echo "                     e.g. '*', 'cat1*,-cat1a'. Default is '*'."
+  echo "  --continuous       Using the trace buffer as a ring buffer, continuously"
+  echo "                     profile until stopped."
   echo "  --stop             Stop profiling."
   echo "  --download|-d      Download latest trace."
   echo "  --time|-t N        Profile for N seconds and download the resulting trace."
   echo "  --version|v N      Select among installed browsers."
   echo "                     One of stable (default), beta, dev, build"
   echo ""
   echo "Profiling data is saved to the device."
   exit 0
 }
 
@@ skipping 68 matching lines @@
       OUTPUT="-e file '$2'"
       shift
       ;;
     -c|--categories)
       if [ -z "$2" ]; then
         usage
       fi
       CATEGORIES="-e categories '$2'"
       shift
       ;;
+    --continuous) CONTINUOUS="-e continuous ." ;;
     -t|--time)
       shift
       if [ -z "$1" ] ; then
         usage
       fi
       INTERVAL="$1"
       ;;
     -d|--download)
       shift
       download_latest_trace
       echo "Trace written to ${PWD}/${LOCAL_TRACE_FILE}"
       ;;
     *) usage ;;
   esac
   shift
 done
 
 if [ -z "${INTERVAL}" ] ; then
   if [ -z "${FUNCTION}" ] ; then
     usage
   else
-    send_intent ${PACKAGE} ${FUNCTION} ${OUTPUT} ${CATEGORIES}
+    send_intent ${PACKAGE} ${FUNCTION} ${OUTPUT} ${CATEGORIES} ${CONTINUOUS}
   fi
 else
-  do_timed_capture ${PACKAGE} ${INTERVAL} ${CATEGORIES}
+  do_timed_capture ${PACKAGE} ${INTERVAL} ${CATEGORIES} ${CONTINUOUS}
 fi
 exit 0