Return const references in the Blink SW API where possible

third_party/WebKit/Source/platform/exported/WebServiceWorkerResponse.cpp

 // 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 "public/platform/modules/serviceworker/WebServiceWorkerResponse.h"
 
 #include "platform/blob/BlobData.h"
 #include "platform/network/HTTPHeaderMap.h"
 #include "public/platform/WebHTTPHeaderVisitor.h"
 #include "wtf/HashMap.h"
@@ skipping 46 matching lines @@
 }
 
 unsigned short WebServiceWorkerResponse::status() const {
   return m_private->status;
 }
 
 void WebServiceWorkerResponse::setStatusText(const WebString& statusText) {
   m_private->statusText = statusText;
 }
 
-WebString WebServiceWorkerResponse::statusText() const {
+const WebString& WebServiceWorkerResponse::statusText() const {
   return m_private->statusText;
 }
 
 void WebServiceWorkerResponse::setResponseType(
     WebServiceWorkerResponseType responseType) {
   m_private->responseType = responseType;
 }
 
 WebServiceWorkerResponseType WebServiceWorkerResponse::responseType() const {
   return m_private->responseType;
@@ skipping 47 matching lines @@
 uint64_t WebServiceWorkerResponse::blobSize() const {
   if (!m_private->blobDataHandle)
     return 0;
   return m_private->blobDataHandle->size();
 }
 
 void WebServiceWorkerResponse::setStreamURL(const WebURL& url) {
   m_private->streamURL = url;
 }
 
-WebURL WebServiceWorkerResponse::streamURL() const {
+const WebURL& WebServiceWorkerResponse::streamURL() const {
   return m_private->streamURL;
 }
 
 void WebServiceWorkerResponse::setError(WebServiceWorkerResponseError error) {
   m_private->error = error;
 }
 
 WebServiceWorkerResponseError WebServiceWorkerResponse::error() const {
   return m_private->error;
 }
 
 void WebServiceWorkerResponse::setResponseTime(int64_t time) {
   m_private->responseTime = time;
 }
 
 int64_t WebServiceWorkerResponse::responseTime() const {
   return m_private->responseTime;
 }
 
 void WebServiceWorkerResponse::setCacheStorageCacheName(
     const WebString& cacheStorageCacheName) {
   m_private->cacheStorageCacheName = cacheStorageCacheName;
 }
 
-WebString WebServiceWorkerResponse::cacheStorageCacheName() const {
+const WebString& WebServiceWorkerResponse::cacheStorageCacheName() const {
   return m_private->cacheStorageCacheName;
 }
 
 void WebServiceWorkerResponse::setCorsExposedHeaderNames(
     const WebVector<WebString>& headerNames) {
   m_private->corsExposedHeaderNames = headerNames;
 }
 
-WebVector<WebString> WebServiceWorkerResponse::corsExposedHeaderNames() const {
+const WebVector<WebString>& WebServiceWorkerResponse::corsExposedHeaderNames()
+    const {
   return m_private->corsExposedHeaderNames;
 }
 
 const HTTPHeaderMap& WebServiceWorkerResponse::headers() const {
   return m_private->headers;
 }
 
 void WebServiceWorkerResponse::setBlobDataHandle(
     PassRefPtr<BlobDataHandle> blobDataHandle) {
   m_private->blobDataHandle = std::move(blobDataHandle);
 }
 
 PassRefPtr<BlobDataHandle> WebServiceWorkerResponse::blobDataHandle() const {
   return m_private->blobDataHandle;
 }
 
 }  // namespace blink