M57: Add UseCounter for ServiceWorkerNavigationPreload.

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

Index: third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp b/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
index 260c3652b10d864a660d92cf4c1eb4471494c778..ec5d42c669ef1352aa3327cc8f85f9e7e922f65c 100644
--- a/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebURLResponse.cpp
@@ -406,6 +406,14 @@ void WebURLResponse::setCorsExposedHeaderNames(
   m_resourceResponse->setCorsExposedHeaderNames(exposedHeaderNames);
 }
 
+bool WebURLResponse::didServiceWorkerNavigationPreload() const {
+  return m_resourceResponse->didServiceWorkerNavigationPreload();
+}
+
+void WebURLResponse::setDidServiceWorkerNavigationPreload(bool value) {
+  m_resourceResponse->setDidServiceWorkerNavigationPreload(value);
+}
+
 WebString WebURLResponse::downloadFilePath() const {
   return m_resourceResponse->downloadedFilePath();
 }