Expose WebServiceWorkerNetworkProvider on DataSource

third_party/WebKit/Source/core/loader/DocumentLoader.cpp

Index: third_party/WebKit/Source/core/loader/DocumentLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
index 5942857618fb997cc9ea613711629bb74c3bd32d..c6659cbe843ab5f52fe85e45c79c8c708b5526e5 100644
--- a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
@@ -73,6 +73,7 @@
 #include "platform/weborigin/SchemeRegistry.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/Platform.h"
+#include "public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h"
 #include "wtf/Assertions.h"
 #include "wtf/AutoReset.h"
 #include "wtf/text/WTFString.h"
@@ -229,6 +230,11 @@ Resource* DocumentLoader::startPreload(Resource::Type type,
   return resource;
 }
 
+void DocumentLoader::setServiceWorkerNetworkProvider(
+    std::unique_ptr<WebServiceWorkerNetworkProvider> provider) {
+  m_serviceWorkerNetworkProvider = std::move(provider);
+}
+
 void DocumentLoader::dispatchLinkHeaderPreloads(
     ViewportDescriptionWrapper* viewport,
     LinkLoader::MediaPreloadPolicy mediaPolicy) {
@@ -652,6 +658,7 @@ void DocumentLoader::detachFromFrame() {
   m_fetcher->clearContext();
   m_applicationCacheHost->detachFromDocumentLoader();
   m_applicationCacheHost.clear();
+  m_serviceWorkerNetworkProvider = nullptr;
   WeakIdentifierMap<DocumentLoader>::notifyObjectDestroyed(this);
   clearMainResourceHandle();
   m_frame = nullptr;