Finish removing FrameLoader::Clear()

third_party/WebKit/Source/core/loader/DocumentLoader.cpp

Index: third_party/WebKit/Source/core/loader/DocumentLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
index a90e72fb90291bb6d1e11b16d19203c69ecfa7de..d477af2b86b2ca5d36466e981412246387db03b3 100644
--- a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
@@ -664,7 +664,6 @@ void DocumentLoader::EnsureWriter(const AtomicString& mime_type,
   }
   DocumentInit init(owner, Url(), frame_);
   init.WithNewRegistrationContext();
-  frame_->Loader().Clear();
   DCHECK(frame_->GetPage());
 
   ParserSynchronizationPolicy parsing_policy = kAllowAsynchronousParsing;
@@ -1047,6 +1046,11 @@ void DocumentLoader::InstallNewDocument(
   DCHECK(!frame_->GetDocument() || !frame_->GetDocument()->IsActive());
   DCHECK_EQ(frame_->Tree().ChildCount(), 0u);
 
+  if (GetFrameLoader().StateMachine()->IsDisplayingInitialEmptyDocument()) {
+    GetFrameLoader().StateMachine()->AdvanceTo(
+        FrameLoaderStateMachine::kCommittedFirstRealLoad);
+  }
+
   SecurityOrigin* previous_security_origin = nullptr;
   if (frame_->GetDocument())
     previous_security_origin = frame_->GetDocument()->GetSecurityOrigin();