Recording download mime types for normal profile

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 7100028141394f7ddbc3c909e6b12ad5d6666bc1..81ebf6c649b98443c9b073041e0e398f191941be 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -13066,6 +13066,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <summary>Content types that are downloaded.</summary>
 </histogram>
 
+<histogram name="Download.ContentType.NonOffTheRecord"
+    enum="DownloadContentType">
+  <owner>shaktisahu@chromium.org</owner>
+  <summary>
+    Content types that are downloaded for non-OffTheRecord session.
+  </summary>
+</histogram>
+
 <histogram name="Download.Counts" enum="DownloadCountType">
   <owner>asanka@chromium.org</owner>
   <summary>
@@ -13074,6 +13082,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Download.Counts.NonOffTheRecord" enum="DownloadCountType">
+  <owner>shaktisahu@chromium.org</owner>
+  <summary>
+    Various individual counts in the download system while on non-OffTheRecord
+    session; see DownloadCountType for details.
+  </summary>
+</histogram>
+
 <histogram name="Download.CountsChrome" enum="ChromeDownloadCountType">
   <owner>asanka@chromium.org</owner>
   <summary>