net: customize memory cache size

/*

 * Copyright (C) 2006 The Android Open Source Project

 * Copyright (C) 2011, 2012 Code Aurora Forum. All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

import android.net.http.SslError;

import android.os.Handler;

import android.os.Message;

import android.os.SystemProperties;

import android.util.Log;

import android.util.TypedValue;

import android.view.Surface;

            // set WebCore native cache size

            ActivityManager am = (ActivityManager) context

                    .getSystemService(Context.ACTIVITY_SERVICE);

            if (am.getMemoryClass() > 16) {

                sJavaBridge.setCacheSize(8 * 1024 * 1024);

            } else {

                sJavaBridge.setCacheSize(4 * 1024 * 1024);

            int defCacheSize = am.getMemoryClass() > 16 ?

                8 * 1024 * 1024 : 4 * 1024 * 1024;

            int cacheSize = SystemProperties.getInt("net.webkit.cache.size", defCacheSize);

            if ((cacheSize < 0) || (cacheSize > (100 * 1024 * 1024))) {

                cacheSize = defCacheSize;

            }

            sJavaBridge.setCacheSize(cacheSize);

            // initialize CacheManager

            CacheManager.init(appContext);

            // create CookieSyncManager with current Context