Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/browser/cache_storage/cache_storage_cache.cc

Index: content/browser/cache_storage/cache_storage_cache.cc
diff --git a/content/browser/cache_storage/cache_storage_cache.cc b/content/browser/cache_storage/cache_storage_cache.cc
index 6ca5786b882581b11095984e4565ee02f7e691fc..b3eb99ea85ed067f09af90e661ad20208d52caea 100644
--- a/content/browser/cache_storage/cache_storage_cache.cc
+++ b/content/browser/cache_storage/cache_storage_cache.cc
@@ -1130,10 +1130,11 @@ void CacheStorageCache::PutDidWriteHeaders(
   disk_cache::ScopedEntryPtr entry(std::move(put_context->cache_entry));
   put_context->cache_entry = NULL;
 
-  CacheStorageBlobToDiskCache* blob_to_cache =
-      new CacheStorageBlobToDiskCache();
   BlobToDiskCacheIDMap::KeyType blob_to_cache_key =
-      active_blob_to_disk_cache_writers_.Add(blob_to_cache);
+      active_blob_to_disk_cache_writers_.Add(
+          base::MakeUnique<CacheStorageBlobToDiskCache>());
+  CacheStorageBlobToDiskCache* blob_to_cache =
+      active_blob_to_disk_cache_writers_.Lookup(blob_to_cache_key);

[danakj, 2016/11/18 00:15:33]

same

 
   std::unique_ptr<storage::BlobDataHandle> blob_data_handle =
       std::move(put_context->blob_data_handle);