CacheStorage: Enable Cache::putImpl to receive multiple requests/responses

This CL enables Cache::putImpl to receive multiple requests and responses for
supporting addAll() in a subsequent CL. This should not change behavior of put()
and add().

BUG=427652

Review URL: https://codereview.chromium.org/1210873004

git-svn-id: svn://svn.chromium.org/blink/trunk@197958 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/modules/cachestorage/Cache.h

@@ -49,8 +49,9 @@ public:
     DEFINE_INLINE_TRACE() { }
 
 private:
+    class BarrierCallbackForPut;
+    class BlobHandleCallbackForPut;
     class FetchResolvedForAdd;
-    class AsyncPutBatch;
     friend class FetchResolvedForAdd;
     Cache(WeakPtr<GlobalFetch::ScopedFetcher>, WebServiceWorkerCache*);
 
@@ -58,7 +59,7 @@ private:
     ScriptPromise matchAllImpl(ScriptState*, const Request*, const CacheQueryOptions&);
     ScriptPromise addAllImpl(ScriptState*, const Vector<Request*>&, ExceptionState&);
     ScriptPromise deleteImpl(ScriptState*, const Request*, const CacheQueryOptions&);
-    ScriptPromise putImpl(ScriptState*, Request*, Response*);
+    ScriptPromise putImpl(ScriptState*, const HeapVector<Member<Request>>&, const HeapVector<Member<Response>>&);
     ScriptPromise keysImpl(ScriptState*);
     ScriptPromise keysImpl(ScriptState*, const Request*, const CacheQueryOptions&);