Modify iOSShell-gyp to generate unique bundle identifier

platform_tools/ios/bin/ios_setup.sh

 #!/bin/bash
 ###############################################################################
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 ###############################################################################
 #
 # ios_setup.sh: Sets environment variables used by other iOS scripts.
 
 # File system location where we mount the ios devices.
 IOS_MOUNT_POINT="/tmp/mnt_iosdevice"
 
 # Location on the ios device where all data are stored. This is
 # relative to the mount point.
 IOS_DOCS_DIR="Documents"
 
 # Temporary location to assemble the app into an .ipa package.
 IOS_PCKG_DIR="/tmp/ios_pckg"
 
-# Bundle id of the app that runs the tests.
-TEST_RUNNER_BUNDLE_ID="com.google.iOSShell"
-
 # Directory with the Skia source.
 SKIA_SRC_DIR=$(cd "${SCRIPT_DIR}/../../.."; pwd)
 
 # Provisioning profile - this needs to be set up on the local machine.
 PROVISIONING_PROFILE=""
 
 # Code Signing identity - this needs to be set up on the local machine.
 CODE_SIGN_IDENTITY="iPhone Developer"
 
-IOS_BUNDLE_ID="com.google.iOSShell"
+IOS_BUNDLE_ID="com.google.iOSShell.`hostname | md5`"
 
 IOS_RESULTS_DIR="results"
 
 # BUILDTYPE is 'Debug' by default.
 if [[ -z "$BUILDTYPE" ]]; then
   BUILDTYPE="Debug"
 fi
 
 # Out dir is $SKIA_SRC_DIR/out by default. 
 if [[ -z "$SKIA_OUT" ]]; then 
@@ skipping 43 matching lines @@
   # If this is already mounted we unmount it.
   if $(mount | grep --quiet "$IOS_MOUNT_POINT"); then
     >&2 echo "Device already mounted at: $IOS_MOUNT_POINT - Unmounting."
     ios_umount || true   
   fi
 
   # Ensure there is a mount directory.
   if [[ ! -d "$IOS_MOUNT_POINT" ]]; then
     mkdir -p $IOS_MOUNT_POINT
   fi
-  ifuse --container $TEST_RUNNER_BUNDLE_ID $IOS_MOUNT_POINT
+  ifuse --container $IOS_BUNDLE_ID $IOS_MOUNT_POINT
   sleep 1
   >&2 echo "Successfully mounted device."
 }
 
 # ios_umount: unmounts the ios device.
 ios_umount() {
   umount $IOS_MOUNT_POINT
   sleep 1
 }
 
@@ skipping 76 matching lines @@
 #       adb_push_if_needed $HOST_SRC $ANDROID_DST
 #     else
 #       echo -n "$ANDROID_DST "
 #       $ADB $DEVICE_SERIAL shell mkdir -p "$(dirname "$ANDROID_DST")"
 #       $ADB $DEVICE_SERIAL push $HOST_SRC $ANDROID_DST
 #     fi
 #   fi
 # }
 
 # setup_device "${DEVICE_ID}"