Indicate in the tab UI if appcache creation was blocked by privacy settings.

webkit/appcache/appcache_host_unittest.cc

 // Copyright (c) 2010 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 "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/appcache/appcache.h"
 #include "webkit/appcache/appcache_group.h"
 #include "webkit/appcache/appcache_host.h"
@@ skipping 31 matching lines @@
     virtual void OnStatusChanged(const std::vector<int>& host_ids,
                                  appcache::Status status) {
       last_status_changed_ = status;
     }
 
     virtual void OnEventRaised(const std::vector<int>& host_ids,
                                appcache::EventID event_id) {
       last_event_id_ = event_id;
     }
 
+    virtual void OnContentBlocked(int host_id) {
+    }
+
     int last_host_id_;
     int64 last_cache_id_;
     appcache::Status last_status_;
     appcache::Status last_status_changed_;
     appcache::EventID last_event_id_;
   };
 
   void GetStatusCallback(Status status, void* param) {
     last_status_result_ = status;
     last_callback_param_ = param;
@@ skipping 231 matching lines @@
   group2->RemoveCache(cache5);
   EXPECT_FALSE(group2->HasCache());
   host.group_being_updated_ = group2;
   host.OnUpdateComplete(group2);
   EXPECT_FALSE(host.group_being_updated_);
   EXPECT_FALSE(host.swappable_cache_.get());  // group2 had no newest cache
 }
 
 }  // namespace appcache