Introducing FetchEventInit Dictionary.

Source/modules/serviceworkers/FetchEvent.cpp

Index: Source/modules/serviceworkers/FetchEvent.cpp
diff --git a/Source/modules/serviceworkers/FetchEvent.cpp b/Source/modules/serviceworkers/FetchEvent.cpp
index dbd4dc86d69a746de465820c9b8a28227bf7d32f..b935806e22506483aeb17f50e54ff9c593b7a2bd 100644
--- a/Source/modules/serviceworkers/FetchEvent.cpp
+++ b/Source/modules/serviceworkers/FetchEvent.cpp
@@ -16,9 +16,14 @@ PassRefPtrWillBeRawPtr<FetchEvent> FetchEvent::create()
     return adoptRefWillBeNoop(new FetchEvent());
 }
 
-PassRefPtrWillBeRawPtr<FetchEvent> FetchEvent::create(RespondWithObserver* observer, Request* request)
+PassRefPtrWillBeRawPtr<FetchEvent> FetchEvent::create(const AtomicString& type, const FetchEventInit& initializer)
 {
-    return adoptRefWillBeNoop(new FetchEvent(observer, request));
+    return adoptRefWillBeNoop(new FetchEvent(type, initializer));
+}
+
+PassRefPtrWillBeRawPtr<FetchEvent> FetchEvent::create(const AtomicString& type, const FetchEventInit& initializer, RespondWithObserver* observer)
+{
+    return adoptRefWillBeNoop(new FetchEvent(type, initializer, observer));
 }
 
 Request* FetchEvent::request() const
@@ -52,12 +57,24 @@ FetchEvent::FetchEvent()
 {
 }
 
-FetchEvent::FetchEvent(RespondWithObserver* observer, Request* request)
-    : Event(EventTypeNames::fetch, /*canBubble=*/false, /*cancelable=*/true)
+FetchEvent::FetchEvent(const AtomicString& type, const FetchEventInit& initializer)
+    : Event(type, /*canBubble=*/false, /*cancelable=*/true)
+{
+    if (initializer.hasRequest())
+        m_request = initializer.request();
+    if (initializer.hasIsReload())
+        m_isReload = initializer.isReload();
+}
+
+FetchEvent::FetchEvent(const AtomicString& type, const FetchEventInit& initializer, RespondWithObserver* observer)
+    : Event(type, /*canBubble=*/false, /*cancelable=*/true)
     , m_observer(observer)
-    , m_request(request)
     , m_isReload(false)
 {
+    if (initializer.hasRequest())
+        m_request = initializer.request();
+    if (initializer.hasIsReload())
+        m_isReload = initializer.isReload();
 }
 
 DEFINE_TRACE(FetchEvent)