Start of foreign fetch implementation.

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index b0eac25048166a6f8fd985eb8faf036437307aca..2025792cf9edccdd0d8c50d85937f1ea04cff050 100644
--- a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -56,6 +56,7 @@
 #include "modules/push_messaging/PushMessageData.h"
 #include "modules/serviceworkers/ExtendableEvent.h"
 #include "modules/serviceworkers/FetchEvent.h"
+#include "modules/serviceworkers/InstallEvent.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScope.h"
 #include "modules/serviceworkers/WaitUntilObserver.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ -122,7 +123,12 @@ void ServiceWorkerGlobalScopeProxy::dispatchInstallEvent(int eventID)
 {
     ASSERT(m_workerGlobalScope);
     WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::Install, eventID);
-    RefPtrWillBeRawPtr<Event> event(ExtendableEvent::create(EventTypeNames::install, ExtendableEventInit(), observer));
+    RefPtrWillBeRawPtr<Event> event;
+    if (RuntimeEnabledFeatures::foreignFetchEnabled()) {
+        event = InstallEvent::create(EventTypeNames::install, ExtendableEventInit(), observer);
+    } else {
+        event = ExtendableEvent::create(EventTypeNames::install, ExtendableEventInit(), observer);
+    }
     m_workerGlobalScope->dispatchExtendableEvent(event.release(), observer);
 }