[Android] Implement WebSettings.setAppCache{Enabled|Path}

content/browser/android/content_settings.cc

 // 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.
 
 #include "content/browser/android/content_settings.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
@@ skipping 230 matching lines @@
 
   env->SetBooleanField(
       obj,
       field_ids_->support_multiple_windows,
       prefs.supports_multiple_windows);
   CheckException(env);
 
   Java_ContentSettings_setPluginsDisabled(env, obj, !prefs.plugins_enabled);
   CheckException(env);
 
+  // We don't need to sync AppCache settings to Java, because there are
+  // no getters for them in the API.
+
   env->SetBooleanField(
       obj,
       field_ids_->dom_storage_enabled,
       prefs.local_storage_enabled);
   CheckException(env);
 }
 
 void ContentSettings::SyncToNativeImpl() {
   JNIEnv* env = base::android::AttachCurrentThread();
   CHECK(env);
@@ skipping 83 matching lines @@
       obj, field_ids_->allow_file_access_from_file_urls);
 
   prefs.javascript_can_open_windows_automatically = env->GetBooleanField(
       obj, field_ids_->java_script_can_open_windows_automatically);
 
   prefs.supports_multiple_windows = env->GetBooleanField(
       obj, field_ids_->support_multiple_windows);
 
   prefs.plugins_enabled = !Java_ContentSettings_getPluginsDisabled(env, obj);
 
+  prefs.application_cache_enabled =
+      Java_ContentSettings_getAppCacheEnabled(env, obj);
+
   prefs.local_storage_enabled = env->GetBooleanField(
       obj, field_ids_->dom_storage_enabled);
 
   render_view_host->UpdateWebkitPreferences(prefs);
 }
 
 void ContentSettings::SyncFromNative(JNIEnv* env, jobject obj) {
   SyncFromNativeImpl();
 }
 
@@ skipping 19 matching lines @@
       new ContentSettings(env, obj, web_contents, is_master_mode);
   return reinterpret_cast<jint>(content_settings);
 }
 
 static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
   return base::android::ConvertUTF8ToJavaString(
       env, GetContentClient()->GetUserAgent()).Release();
 }
 
 }  // namespace content