Function to count dialog box creations.

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 31774c7ed82606dfcfe74fdb4a4a19feb94b0f78..aa8f9a4491be048d606ea2f813b73c9b5c6a6c22 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -11587,6 +11587,13 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Dialog.Creation" enum="DialogName">
+  <owner>pdyson@chromium.org</owner>
+  <summary>
+    Counts the number times various types of dialog boxes are created.
+  </summary>
+</histogram>
+
 <histogram name="DirectWrite.Fonts.BuildCache.File.Size" units="KB">
   <owner>shrikant@chromium.org</owner>
   <summary>
@@ -88090,6 +88097,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="22" label="SQLite Integrity Top Sites Test"/>
 </enum>
 
+<enum name="DialogName" type="int">
+  <int value="0" label="Unknown"/>
+  <int value="1" label="Translate"/>
+</enum>
+
 <enum name="DifferentPrimaryAccounts" type="int">
   <int value="0" label="Primary Accounts the same"/>
   <int value="1" label="(obsolete) Primary Accounts different"/>