Do not log FirstMeaningfulPaint status if page load aborted before first paint

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index be826304aedbcf5d17beb15d390ff9c4377c6a4f..ebb8d6831337d51e8f2c1445eb21745163921918 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -42137,6 +42137,10 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 <histogram
     name="PageLoad.Experimental.PaintTiming.FirstMeaningfulPaintSignalStatus"
     enum="FirstMeaningfulPaintSignalStatus">
+  <obsolete>
+    Deprecated in favor of
+    PageLoad.Experimental.PaintTiming.FirstMeaningfulPaintSignalStatus2.
+  </obsolete>
   <owner>ksakamoto@chromium.org</owner>
   <summary>
     Whether the user had any interaction on the page (except mouse move) after
@@ -42145,6 +42149,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram
+    name="PageLoad.Experimental.PaintTiming.FirstMeaningfulPaintSignalStatus2"
+    enum="FirstMeaningfulPaintSignalStatus">
+  <owner>ksakamoto@chromium.org</owner>
+  <summary>
+    Whether the user had any interaction on the page (except mouse move) after
+    first paint, and whether the user left the page before network stable or
+    not. Not logged if page load was aborted before first paint.
+  </summary>
+</histogram>
+
 <histogram name="PageLoad.Experimental.PaintTiming.FirstMeaningfulPaintStatus"
     enum="FirstMeaningfulPaintStatus">
   <owner>ksakamoto@chromium.org</owner>