Package and load native library in content shell. Add content shell util scripts.

build/android/envsetup.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.
 
 # Sets up environment for building Chromium on Android. Only Android NDK,
 # Revision 6b on Linux or Mac is offically supported.
 #
 # To run this script, the system environment ANDROID_NDK_ROOT must be set
@@ skipping 55 matching lines @@
 if [ -z "${CHROME_SRC}" ]; then
   # If $CHROME_SRC was not set, assume current directory is CHROME_SRC.
   export CHROME_SRC=$(readlink -f .)
 fi
 
 if [ ! -d "${CHROME_SRC}" ]; then
   echo "CHROME_SRC must be set to the path of Chrome source code." >& 2
   return 1
 fi
 
+# Add Chromium Android development scripts to system path.
+# Must be after CHROME_SRC is set.
+export PATH=$PATH:${CHROME_SRC}/build/android
+
 # Performs a gyp_chromium run to convert gyp->Makefile for android code.
 android_gyp() {
   GOMA_WRAPPER=""
   if [[ -d $GOMA_DIR ]]; then
     GOMA_WRAPPER="$GOMA_DIR/gomacc"
   fi
   # Ninja requires "*_target" for target builds.
   GOMA_WRAPPER=${GOMA_WRAPPER} \
   CC_target=$(basename ${ANDROID_TOOLCHAIN}/*-gcc) \
   CXX_target=$(basename ${ANDROID_TOOLCHAIN}/*-g++) \
@@ skipping 46 matching lines @@
 export GYP_DEFINES="${DEFINES}"
 
 # Use the "android" flavor of the Makefile generator for both Linux and OS X.
 export GYP_GENERATORS="make-android"
 
 # Use our All target as the default
 export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
 
 # We want to use our version of "all" targets.
 export CHROMIUM_GYP_FILE="${CHROME_SRC}/build/all_android.gyp"