Don't update progress when Frame::isLoading() is false

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

Index: third_party/WebKit/Source/core/loader/ProgressTracker.cpp
diff --git a/third_party/WebKit/Source/core/loader/ProgressTracker.cpp b/third_party/WebKit/Source/core/loader/ProgressTracker.cpp
index 098155271e5c498fd4aab8a2ea584b37414b91bc..69833e777b26c7a801b154337a6c9eda3a3a64ee 100644
--- a/third_party/WebKit/Source/core/loader/ProgressTracker.cpp
+++ b/third_party/WebKit/Source/core/loader/ProgressTracker.cpp
@@ -172,6 +172,9 @@ void ProgressTracker::incrementProgress(unsigned long identifier, int length) {
 }
 
 void ProgressTracker::maybeSendProgress() {
+  if (!m_frame->isLoading())
+    return;
+
   m_progressValue = initialProgressValue + 0.1;  // +0.1 for committing
   if (m_finishedParsing)
     m_progressValue += 0.2;