Introduce String::fromUTF8Lenient() and use it for cache_name in CacheStorage API.

content/renderer/cache_storage/cache_storage_dispatcher.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_RENDERER_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_H_
 #define CONTENT_RENDERER_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 34 matching lines @@
 
   // ServiceWorkerScriptContext calls our OnMessageReceived directly.
   bool OnMessageReceived(const IPC::Message& message);
 
   // Message handlers for CacheStorage messages from the browser process.
   void OnCacheStorageHasSuccess(int thread_id, int request_id);
   void OnCacheStorageOpenSuccess(int thread_id, int request_id, int cache_id);
   void OnCacheStorageDeleteSuccess(int thread_id, int request_id);
   void OnCacheStorageKeysSuccess(int thread_id,
                                  int request_id,
-                                 const std::vector<base::string16>& keys);
+                                 const std::vector<std::string>& keys);
   void OnCacheStorageMatchSuccess(int thread_id,
                                   int request_id,
                                   const ServiceWorkerResponse& response);
 
   void OnCacheStorageHasError(int thread_id,
                               int request_id,
                               blink::WebServiceWorkerCacheError reason);
   void OnCacheStorageOpenError(int thread_id,
                                int request_id,
                                blink::WebServiceWorkerCacheError reason);
@@ skipping 148 matching lines @@
   TimeMap cache_batch_times_;
 
   base::WeakPtrFactory<CacheStorageDispatcher> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CacheStorageDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_CACHE_STORAGE_CACHE_STORAGE_DISPATCHER_H_