For more aggressive progress bar completion strategies, only count high priority resources

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

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 124 matching lines @@
 }
 
 void ProgressTracker::sendFinalProgress()
 {
     if (m_progressValue == 1)
         return;
     m_progressValue = 1;
     m_frame->loader().client()->progressEstimateChanged(m_progressValue);
 }
 
-void ProgressTracker::willStartLoading(unsigned long identifier)
+void ProgressTracker::willStartLoading(unsigned long identifier, ResourceLoadPriority priority)
 {
     if (!m_frame->isLoading())
         return;
     // All of the progress bar completion policies besides LoadEvent instead block on parsing
     // completion, which corresponds to finishing parsing. For those policies, don't consider
     // resource load that start after DOMContentLoaded finishes.
-    if (m_frame->settings()->progressBarCompletion() != ProgressBarCompletion::LoadEvent && m_finishedParsing)
+    if (m_frame->settings()->progressBarCompletion() != ProgressBarCompletion::LoadEvent && (m_finishedParsing || priority < ResourceLoadPriorityHigh))
         return;
     DCHECK(!m_progressItems.get(identifier));
     m_progressItems.set(identifier, wrapUnique(new ProgressItem(progressItemDefaultEstimatedLength)));
 }
 
 void ProgressTracker::incrementProgress(unsigned long identifier, const ResourceResponse& response)
 {
     ProgressItem* item = m_progressItems.get(identifier);
     if (!item)
         return;
@@ skipping 68 matching lines @@
 {
     ProgressItem* item = m_progressItems.get(identifier);
     if (!item)
         return;
 
     item->estimatedLength = item->bytesReceived;
     maybeSendProgress();
 }
 
 } // namespace blink