Add new method xhrSucceeded() to WebAutofillClient.

Source/core/xmlhttprequest/XMLHttpRequest.cpp

Index: Source/core/xmlhttprequest/XMLHttpRequest.cpp
diff --git a/Source/core/xmlhttprequest/XMLHttpRequest.cpp b/Source/core/xmlhttprequest/XMLHttpRequest.cpp
index d6f6a8febc07499a256572964ff432e70266b222..530106fe900fb3ca5e9e1469f85642f8129d71ae 100644
--- a/Source/core/xmlhttprequest/XMLHttpRequest.cpp
+++ b/Source/core/xmlhttprequest/XMLHttpRequest.cpp
@@ -51,6 +51,9 @@
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/loader/ThreadableLoader.h"
+#include "core/page/Chrome.h"
+#include "core/page/ChromeClient.h"
+#include "core/page/Page.h"
 #include "core/streams/ReadableStream.h"
 #include "core/streams/ReadableStreamImpl.h"
 #include "core/streams/Stream.h"
@@ -665,6 +668,11 @@ void XMLHttpRequest::dispatchReadyStateChangeEvent()
         dispatchProgressEventFromSnapshot(EventTypeNames::loadend);
         TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", "data", InspectorUpdateCountersEvent::data());
     }
+    if (!document() || !document()->frame() || !document()->frame()->page())
+        return;
+
+    if (status() == 200)

[kouhei (in TOK), 2015/03/13 07:22:32]

May be allow all 2xx?

[Garrett Casto, 2015/03/13 18:37:07]

Done

+        document()->frame()->page()->chrome().client().xhrSucceeded(document()->frame());

[kouhei (in TOK), 2015/03/13 07:22:33]

I think the better place for this would be in endLoading. The added logic here
doesn't "dispatchReadyStateChangeEvent".

[Garrett Casto, 2015/03/13 18:37:07]

Done.

 }
 
 void XMLHttpRequest::setWithCredentials(bool value, ExceptionState& exceptionState)