Implements logging in the new compact translate UI.

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 754917185fe57df67523b501f090c4e56e926088..ae593b5ba9af94d50093b51d2df4db34e91a6cf4 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -75715,6 +75715,54 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Translate.CompactInfobar.Event" enum="TranslateCompactUIEvent">
+  <owner>ramyasharma@google.com</owner>
+  <summary>Various user actions performed in the translate infobar.</summary>
+</histogram>
+
+<histogram name="Translate.CompactInfobar.Language.AlwaysTranslate"
+    enum="CLD3LanguageCode">
+  <owner>ramyasharma@google.com</owner>
+  <summary>
+    Records the hashcode of the source language when always translate this
+    language option is clicked in the menu.
+  </summary>
+</histogram>
+
+<histogram name="Translate.CompactInfobar.Language.MoreLanguages"
+    enum="CLD3LanguageCode">
+  <owner>ramyasharma@google.com</owner>
+  <summary>
+    Records the hashcode of the language clicked on the more languages menu.
+  </summary>
+</histogram>
+
+<histogram name="Translate.CompactInfobar.Language.NeverTranslate"
+    enum="CLD3LanguageCode">
+  <owner>ramyasharma@google.com</owner>
+  <summary>
+    Records the hashcode of the source language when never translate this
+    language option is clicked in the menu.
+  </summary>
+</histogram>
+
+<histogram name="Translate.CompactInfobar.Language.PageNotIn"
+    enum="CLD3LanguageCode">
+  <owner>ramyasharma@google.com</owner>
+  <summary>
+    Records the hashcode of the language clicked on the menu to indicate the
+    page is not in the selected language.
+  </summary>
+</histogram>
+
+<histogram name="Translate.CompactInfobar.Language.Translate"
+    enum="CLD3LanguageCode">
+  <owner>ramyasharma@google.com</owner>
+  <summary>
+    Records the hashcode of the language clicked on the infobar.
+  </summary>
+</histogram>
+
 <histogram name="Translate.ContentLanguage" enum="TranslateLanguage">
   <owner>kenjibaheux@google.com</owner>
   <summary>