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 34a9f8be5841449697abdc14a57bfca5d89c6941..f37ddeead3e26558fb0e9a41fbde0b68210d0978 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20586,6 +20586,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Favicons.DownloadOutcome" enum="FaviconDownloadStatus">
+  <owner>fhorschig@chromium.org</owner>
+  <summary>
+    Records whether a download succeeded, failed or was skipped because it has
+    failed previously.
+  </summary>
+</histogram>
+
 <histogram name="Favicons.LargeIconService.DownloadedSize" units="pixels">
   <owner>jkrcal@chromium.org</owner>
   <summary>
@@ -93680,6 +93688,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </int>
 </enum>
 
+<enum name="FaviconDownloadStatus" type="int">
+  <int value="0" label="SUCCEEDED">Download succeeded.</int>
+  <int value="1" label="FAILED">Download failed.</int>
+  <int value="2" label="SKIPPED">
+    Download skipped because the URL was known to have failed previously.
+  </int>
+  <int value="3" label="DOWNLOAD_OUTCOME_COUNT">
+    The amount of outcomes that can a download may have.
+  </int>
+</enum>
+
 <enum name="FaviconFetchResult" type="int">
   <int value="0" label="SUCCESS_CACHED">
     Success - favicon found in local cache