Added metrics for background video playback.

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 5e25e02c17110ba0da3927913ae7d1190bff6267..5711475b3b9b189978b1939fd67855b4410a0097 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -8496,6 +8496,40 @@ should be able to be added at any place in this file.
   </description>
 </action>
 
+<action name="Media.Hidden">
+  <owner>avayvod@chromium.org</owner>
+  <description>A renderer media delegate is notified it's hidden.</description>
+</action>
+
+<action name="Media.RemoteControls.Pause">
+  <owner>avayvod@chromium.org</owner>
+  <description>Media delegate is requested to pause media.</description>
+</action>
+
+<action name="Media.RemoteControls.Play">
+  <owner>avayvod@chromium.org</owner>
+  <description>Media delegate is requested to resume media.</description>
+</action>
+
+<action name="Media.Session.BackgroundResume">
+  <owner>avayvod@chromium.org</owner>
+  <description>
+    Background video playback started for the render frame.
+  </description>
+</action>
+
+<action name="Media.Session.BackgroundSuspend">
+  <owner>avayvod@chromium.org</owner>
+  <description>
+    Background video playback stopped for the render frame.
+  </description>
+</action>
+
+<action name="Media.Shown">
+  <owner>avayvod@chromium.org</owner>
+  <description>A renderer media delegate is notified it's shown.</description>
+</action>
+
 <action name="MediaContextMenu_Controls">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>