Add loadedNonEmptyDocument flag in FrameLoader for Resource Timing

Source/core/loader/cache/CachedResourceLoader.cpp

Index: Source/core/loader/cache/CachedResourceLoader.cpp
diff --git a/Source/core/loader/cache/CachedResourceLoader.cpp b/Source/core/loader/cache/CachedResourceLoader.cpp
index 760a7246c702beeac687413ba114ea960d27dbcd..dd80331fa3798cd0e8409cdb7607f21b46fb2e6f 100644
--- a/Source/core/loader/cache/CachedResourceLoader.cpp
+++ b/Source/core/loader/cache/CachedResourceLoader.cpp
@@ -487,7 +487,7 @@ void CachedResourceLoader::storeResourceTimingInitiatorInformation(const CachedR
 {
     if (resource->type() == CachedResource::MainResource) {
         // <iframe>s should report the initial navigation requested by the parent document, but not subsequent navigations.
-        if (frame()->ownerElement() && m_documentLoader->frameLoader()->stateMachine()->committingFirstRealLoad()) {

[Nate Chapin, 2013/04/30 19:55:58]

I think this is the only use of committingFirstRealLoad(). Would you mind
checking and deleting it if that is the case?

[Pan, 2013/05/07 08:45:52]

yes, right, glad to remove :)

+        if (frame()->ownerElement() && !frame()->ownerElement()->loadedNonEmptyDocument()) {
             InitiatorInfo info = { frame()->ownerElement()->localName(), monotonicallyIncreasingTime() };
             m_initiatorMap.add(resource.get(), info);
         }