Add Client Attribute to FetchEvent- Chromium Side.

content/browser/cache_storage/cache_storage_cache.cc

 // 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.
 
 #include "content/browser/cache_storage/cache_storage_cache.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
@@ skipping 1073 matching lines @@
 
 void CacheStorageCache::KeysDidReadMetadata(
     scoped_ptr<KeysContext> keys_context,
     const Entries::iterator& iter,
     scoped_ptr<CacheMetadata> metadata) {
   disk_cache::Entry* entry = *iter;
 
   if (metadata) {
     keys_context->out_keys->push_back(ServiceWorkerFetchRequest(
         GURL(entry->GetKey()), metadata->request().method(),
-        ServiceWorkerHeaderMap(), Referrer(), false));
+        ServiceWorkerHeaderMap(), Referrer(), false,

[Paritosh Kumar, 2015/05/06 11:53:44]

Here, I'm initializing ServiceWorkerFetchRequest with last
ServiceWorkerClientInfo. Is it right or we should initialize it with other
value. I'm not sure about this. Please share your input.

[jsbell, 2015/05/06 16:53:43]

This seems ok to me. 

+        ServiceWorkerClientInfo()));
 
     ServiceWorkerHeaderMap& req_headers =
         keys_context->out_keys->back().headers;
 
     for (int i = 0; i < metadata->request().headers_size(); ++i) {
       const CacheHeaderMap header = metadata->request().headers(i);
       DCHECK(header.name().find('\0') == std::string::npos);
       DCHECK(header.value().find('\0') == std::string::npos);
       req_headers.insert(std::make_pair(header.name(), header.value()));
     }
@@ skipping 114 matching lines @@
     ErrorType error,
     scoped_ptr<Requests> requests) {
   base::WeakPtr<CacheStorageCache> cache = weak_ptr_factory_.GetWeakPtr();
 
   callback.Run(error, requests.Pass());
   if (cache)
     scheduler_->CompleteOperationAndRunNext();
 }
 
 }  // namespace content