Do not report Resource Timing for iframe navigations when restored from history

Source/core/loader/FrameFetchContext.cpp

Index: Source/core/loader/FrameFetchContext.cpp
diff --git a/Source/core/loader/FrameFetchContext.cpp b/Source/core/loader/FrameFetchContext.cpp
index 34fd9352c511149f23717e83905bf790bbc0693c..6f4e32ed7915b27e8a982d2ebae64beefd4d5f43 100644
--- a/Source/core/loader/FrameFetchContext.cpp
+++ b/Source/core/loader/FrameFetchContext.cpp
@@ -563,8 +563,12 @@ bool FrameFetchContext::updateTimingInfoForIFrameNavigation(ResourceTimingInfo*
     // FIXME: Resource timing is broken when the parent is a remote frame.
     if (!frame()->deprecatedLocalOwner() || frame()->deprecatedLocalOwner()->loadedNonEmptyDocument())
         return false;
-    info->setInitiatorType(frame()->deprecatedLocalOwner()->localName());
     frame()->deprecatedLocalOwner()->didLoadNonEmptyDocument();
+    // Do not report iframe navigation that restored from history, since its
+    // location may have been changed after initial navigation.
+    if (frame()->loader().loadType() == FrameLoadTypeInitialHistoryLoad)
+        return false;
+    info->setInitiatorType(frame()->deprecatedLocalOwner()->localName());
     return true;
 }