Add EventSourceInit

Source/core/page/EventSource.h

Index: Source/core/page/EventSource.h
diff --git a/Source/core/page/EventSource.h b/Source/core/page/EventSource.h
index 4c6cd6def53f17c97e83753adb538b5f4c679be6..9d1e1292ff336e99a4926d4db9a4c860915cdd08 100644
--- a/Source/core/page/EventSource.h
+++ b/Source/core/page/EventSource.h
@@ -43,7 +43,7 @@
 
 namespace blink {
 
-class Dictionary;
+class EventSourceInit;
 class ExceptionState;
 class MessageEvent;
 class ResourceResponse;
@@ -56,7 +56,7 @@ class EventSource FINAL : public RefCountedWillBeGarbageCollectedFinalized<Event
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(EventSource);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
-    static PassRefPtrWillBeRawPtr<EventSource> create(ExecutionContext*, const String& url, const Dictionary&, ExceptionState&);
+    static PassRefPtrWillBeRawPtr<EventSource> create(ExecutionContext*, const String& url, const EventSourceInit*, ExceptionState&);
     virtual ~EventSource();
 
     static const unsigned long long defaultReconnectDelay;
@@ -91,7 +91,7 @@ public:
     virtual bool hasPendingActivity() const OVERRIDE;
 
 private:
-    EventSource(ExecutionContext*, const KURL&, const Dictionary&);
+    EventSource(ExecutionContext*, const KURL&, const EventSourceInit*);
 
     virtual void didReceiveResponse(unsigned long, const ResourceResponse&) OVERRIDE;
     virtual void didReceiveData(const char*, int) OVERRIDE;