[Android WebView] Implement WebSettings.{get|set}CacheMode

android_webview/java/src/org/chromium/android_webview/AwSettings.java

 // 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.
 
 package org.chromium.android_webview;
 
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Process;
+import android.webkit.WebSettings;
 
 /**
  * Stores Android WebView specific settings that does not need to be synced to WebKit.
  * Use {@link org.chromium.content.browser.ContentSettings} for WebKit settings.
  *
  * Methods in this class can be called from any thread, including threads created by
  * the client of WebView.
  */
 public class AwSettings {
     // Lock to protect all settings.
     private final Object mAwSettingsLock = new Object();
 
     private final Context mContext;
     private boolean mBlockNetworkLoads;  // Default depends on permission of embedding APK.
     private boolean mAllowContentUrlAccess = true;
     private boolean mAllowFileUrlAccess = true;
+    private int mCacheMode = WebSettings.LOAD_DEFAULT;
 
     public AwSettings(Context context) {
         mContext = context;
         mBlockNetworkLoads = mContext.checkPermission(
                 android.Manifest.permission.INTERNET,
                 Process.myPid(),
                 Process.myUid()) != PackageManager.PERMISSION_GRANTED;
     }
 
     /**
@@ skipping 53 matching lines @@
     }
 
     /**
      * See {@link android.webkit.WebSettings#getAllowContentAccess}.
      */
     public boolean getAllowContentAccess() {
         synchronized (mAwSettingsLock) {
             return mAllowContentUrlAccess;
         }
     }
+
+    /**
+     * See {@link android.webkit.WebSettings#setCacheMode}.
+     */
+    public void setCacheMode(int mode) {
+        synchronized (mAwSettingsLock) {
+            if (mCacheMode != mode) {
+                mCacheMode = mode;
+            }
+        }
+    }
+
+    /**
+     * See {@link android.webkit.WebSettings#getCacheMode}.
+     */
+    public int getCacheMode() {
+        synchronized (mAwSettingsLock) {
+            return mCacheMode;
+        }
+    }
 }