[BlobAsync] Patch 3: Renderer Classes & Logic

storage/browser/blob/blob_data_item.cc

 // Copyright (c) 2015 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 "storage/browser/blob/blob_data_item.h"
 
 namespace storage {
 
 BlobDataItem::DataHandle::~DataHandle() {
 }
@@ skipping 26 matching lines @@
 
 void PrintTo(const BlobDataItem& x, ::std::ostream* os) {
   DCHECK(os);
   *os << "<BlobDataItem>{item: ";
   PrintTo(*x.item_, os);
   *os << ", has_data_handle: " << (x.data_handle_.get() ? "true" : "false")
       << ", disk_cache_entry_ptr: " << x.disk_cache_entry_
       << ", disk_cache_stream_index_: " << x.disk_cache_stream_index_ << "}";
 }
 
+bool operator==(const BlobDataItem& a, const BlobDataItem& b) {
+  return a.disk_cache_entry() == b.disk_cache_entry() &&
+         a.disk_cache_stream_index() == b.disk_cache_stream_index() &&
+         a.data_element() == b.data_element();
+}
+
+bool operator!=(const BlobDataItem& a, const BlobDataItem& b) {
+  return !(a == b);
+}
+
 }  // namespace storage