[NTP] Fixed usage of NewTabPage.ActionAndroid histogram

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 2fccd5350adfaaf214ec27d63fb5e1ef67a7ec6c..f879e845009ddcd49aa269117b5fcb0b7b1fe8e7 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -38689,6 +38689,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="NewTabPage.ActionAndroid" enum="NewTabPageActionAndroid">
+  <obsolete>
+    Deprecated as of 01/2017. Replaced by NewTabPage.ActionAndroid2.
+  </obsolete>
   <owner>newt@chromium.org</owner>
   <summary>
     Actions taken by users from the new tab page on Android. These actions may
@@ -38698,6 +38701,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="NewTabPage.ActionAndroid2" enum="NewTabPageActionAndroid2">
+  <owner>finkm@chromium.org</owner>
+  <summary>
+    Actions taken from the new tab page on Android. These actions may navigate
+    away from the NTP (e.g. searching in the omnibox or opening a bookmark), but
+    can also happen without navigating away from the NTP (e.g. opening a content
+    suggestion in a new tab).
+  </summary>
+</histogram>
+
 <histogram name="NewTabPage.AnimatedLogoDownloadTime" units="ms">
   <owner>ianwen@chromium.org</owner>
   <summary>
@@ -97500,6 +97513,9 @@ value.
 </enum>
 
 <enum name="NewTabPageActionAndroid" type="int">
+  <obsolete>
+    Deprecated as of 01/2017. Replaced by NewTabPageActionAndroid2.
+  </obsolete>
   <int value="0" label="Searched using the omnibox"/>
   <int value="1" label="Navigated to Google search homepage using the omnibox"/>
   <int value="2" label="Navigated to any other page using the omnibox"/>
@@ -97514,6 +97530,21 @@ value.
       label="Clicked on the Refresh button in the all dismissed state"/>
 </enum>
 
+<enum name="NewTabPageActionAndroid2" type="int">
+  <int value="0" label="Searched using the omnibox"/>
+  <int value="1" label="Navigated to Google search homepage using the omnibox"/>
+  <int value="2" label="Navigated to any other page using the omnibox"/>
+  <int value="3" label="Opened a most visited tile"/>
+  <int value="4" label="Opened the recent tabs manager"/>
+  <int value="5" label="Opened the history manager"/>
+  <int value="6" label="Opened the bookmarks manager"/>
+  <int value="7" label="Opened the downloads manager"/>
+  <int value="8" label="Navigated to the webpage for a snippet"/>
+  <int value="9" label="Clicked on Learn More"/>
+  <int value="10"
+      label="Clicked on the Refresh button in the all dismissed state"/>
+</enum>
+
 <enum name="NewTabPageBookmarkActionAndroid" type="int">
   <summary>
     These values are defined in PartnerBookmarkAction enum in