Add loadedNonEmptyDocument flag in FrameLoader for Resource Timing

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index 40d82d4513f1a22c14ae5973694a27ef189ab067..fe21f6db1dca6087fa4fcd2d9b39ccabd12ead98 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -502,7 +502,7 @@ void FrameLoader::didExplicitOpen()
     // Calling document.open counts as committing the first real document load.
     if (!m_stateMachine.committedFirstRealDocumentLoad())
         m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocumentPostCommit);
-    
+
     // Prevent window.open(url) -- eg window.open("about:blank") -- from blowing away results
     // from a subsequent window.document.open / window.document.write call. 
     // Canceling redirection here works for all cases because document.open 
@@ -1518,6 +1518,9 @@ void FrameLoader::setDocumentLoader(DocumentLoader* loader)
         m_documentLoader->detachFromFrame();
 
     m_documentLoader = loader;
+
+    if(m_frame->ownerElement() && !m_frame->ownerElement()->loadedNonEmptyDocument() && m_documentLoader && !m_documentLoader->requestURL().isBlankURL() && !m_documentLoader-> requestURL().isEmpty())
+        m_frame->ownerElement()->didLoadNonEmptyDocument();
 }
 
 void FrameLoader::setPolicyDocumentLoader(DocumentLoader* loader)