Centralize UseCounting for commit in DocumentLoader

Change-Id: I1eedafc3ccca37f9d57b2169f43926940dcd9684
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2342273Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801050}

third_party/blink/renderer/core/loader/document_loader.h

@@ -171,7 +171,6 @@ class CORE_EXPORT DocumentLoader : public GarbageCollected<DocumentLoader>,
 
   void FillNavigationParamsForErrorPage(WebNavigationParams*);
 
-  void MarkAsCommitted();
   void SetSentDidFinishLoad() { state_ = kSentDidFinishLoad; }
   bool SentDidFinishLoad() const { return state_ == kSentDidFinishLoad; }
 
@@ -341,6 +340,8 @@ class CORE_EXPORT DocumentLoader : public GarbageCollected<DocumentLoader>,
   void DidInstallNewDocument(Document*);
   void WillCommitNavigation();
   void DidCommitNavigation();
+  void RecordUseCountersForCommit();
+  void RecordConsoleMessagesForCommit();
 
   void CreateParserPostCommit();
 

third_party/blink/renderer/core/loader/frame_loader.cc

@@ -1205,8 +1205,6 @@ void FrameLoader::CommitDocumentLoader(
         unload_timing->unload_event_end);
   }
 
-  document_loader_->MarkAsCommitted();
-
   TakeObjectSnapshot();
 
   Client()->TransitionToCommittedForNewPage();