Add additional metrics for main intent behaviors.

tools/metrics/actions/actions.xml

Index: tools/metrics/actions/actions.xml
diff --git a/tools/metrics/actions/actions.xml b/tools/metrics/actions/actions.xml
index c6a72398b0ff3d6e1397db4c452b29affb60074d..70e2e7266f8363a35973641799b84dc744a91535 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -10369,6 +10369,14 @@ should be able to be added at any place in this file.
   <description>Please enter the description of this user action.</description>
 </action>
 
+<action name="MobileStartup.MainIntent.NTPCreatedDueToInactivity">
+  <owner>tedchoc@chromium.org</owner>
+  <description>
+    An ACTION_MAIN intent was received by Chrome and an NTP was created due to
+    the time elapsed since Chrome was last visited.
+  </description>
+</action>
+
 <action name="MobileStartup.MainIntentReceived">
   <owner>tedchoc@chromium.org</owner>
   <description>
@@ -10377,6 +10385,38 @@ should be able to be added at any place in this file.
   </description>
 </action>
 
+<action name="MobileStartup.MainIntentReceived.After12Hours">
+  <owner>tedchoc@chromium.org</owner>
+  <description>
+    An ACTION_MAIN intent was received by Chrome after the user had not used
+    Chrome for 12 hours but fewer than 24 hours.
+  </description>
+</action>
+
+<action name="MobileStartup.MainIntentReceived.After1Hour">
+  <owner>tedchoc@chromium.org</owner>
+  <description>
+    An ACTION_MAIN intent was received by Chrome after the user had not used
+    Chrome for 1 hour but fewer than 6 hours.
+  </description>
+</action>
+
+<action name="MobileStartup.MainIntentReceived.After24Hours">
+  <owner>tedchoc@chromium.org</owner>
+  <description>
+    An ACTION_MAIN intent was received by Chrome after the user had not used
+    Chrome for 24 hours.
+  </description>
+</action>
+
+<action name="MobileStartup.MainIntentReceived.After6Hours">
+  <owner>tedchoc@chromium.org</owner>
+  <description>
+    An ACTION_MAIN intent was received by Chrome after the user had not used
+    Chrome for 6 hours but fewer than 12 hours.
+  </description>
+</action>
+
 <action name="MobileTabClobbered">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>