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 c17c5e63d071ebcc9caeb8190a071529f5898ff9..6e5247b14a73f31da56a0c79b9b196f8604a0816 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -42836,9 +42836,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <owner>mattreynolds@chromium.org</owner>
   <owner>mmocny@chromium.org</owner>
   <summary>
-    The number of nearby Physical Web URLs when the user focused the omnibox.
-    Recorded when the user accepts an omnibox suggestion, regardless of whether
-    the suggestion came from PhysicalWebProvider. Capped at 50.
+    The number of nearby Physical Web URLs when Physical Web Provider last
+    constructed matches. Recorded when the user accepts an omnibox suggestion,
+    regardless of whether the suggestion came from PhysicalWebProvider. Capped
+    at 50.

[Mark P, 2017/02/15 06:45:54]

nit: either consider renaming this histogram per
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histo...
or at least mention that in early versions of M-58 (and earlier?) uses of
omnibox suggestions in the situation ... ended up causing emits to the 50+
bucket regardless of the actual value.

[mattreynolds, 2017/02/17 03:08:12]

Renamed to Omnibox.SuggestionUsed.NearbyURLCount.AtMatchCreation

+  </summary>
+</histogram>
+
+<histogram name="Omnibox.SuggestionUsed.NearbyURLCount.AtFocus" units="URLs">
+  <owner>cco3@chromium.org</owner>
+  <owner>mattreynolds@chromium.org</owner>
+  <owner>mmocny@chromium.org</owner>
+  <summary>
+    The number of nearby Physical Web URLs when Physical Web Provider was last
+    focused (i.e., the start of the current session). Recorded when the user
+    accepts an omnibox suggestion, regardless of whether the suggestion came
+    from PhysicalWebProvider. Capped at 50.
   </summary>
 </histogram>