metrics: rename termination, suspend, dark resume action time histograms

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 efb4c64d92c01eb2ce592ef7b8598a42784b4557..d3567f7e6cf22b8085d6195239322b43535b1c3e 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -20273,8 +20273,19 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.DarkResumeActionsTimeTaken" units="milliseconds">
+  <owner>samueltan@chromium.org</owner>
+  <summary>
+    Chrome OS network diagnostic metric sampling the time in milliseconds it
+    takes dark resume actions to complete when shill suspends.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.DarkResumeActionTime" units="milliseconds">
   <owner>samueltan@chromium.org</owner>
+  <obsolete>
+    Deprecated 01/2015. Migrated to Network.Shill.DarkResumeActionsTimeTaken.
+  </obsolete>
   <summary>
     Chrome OS network diagnostic metric sampling the time in milliseconds it
     takes dark resume actions to complete when shill suspends.
@@ -20494,8 +20505,19 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.SuspendActionsTimeTaken" units="milliseconds">
+  <owner>samueltan@chromium.org</owner>
+  <summary>
+    Chrome OS network diagnostic metric sampling the time in milliseconds it
+    takes suspend actions to complete when shill suspends.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.SuspendActionTime" units="milliseconds">
   <owner>samueltan@chromium.org</owner>
+  <obsolete>
+    Deprecated 01/2015. Migrated to Network.Shill.SuspendActionsTimeTaken.
+  </obsolete>
   <summary>
     Chrome OS network diagnostic metric sampling the time in milliseconds it
     takes suspend actions to complete when shill suspends.
@@ -20536,8 +20558,20 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.TerminationActionsTimeTaken"
+    units="milliseconds">
+  <owner>samueltan@chromium.org</owner>
+  <summary>
+    Chrome OS network diagnostic metric sampling the time in milliseconds it
+    takes termination actions to complete when shill terminates.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.TerminationActionTime" units="milliseconds">
   <owner>samueltan@chromium.org</owner>
+  <obsolete>
+    Deprecated 01/2015. Migrated to Network.Shill.TerminationActionsTimeTaken.
+  </obsolete>
   <summary>
     Chrome OS network diagnostic metric sampling the time in milliseconds it
     takes termination actions to complete when shill terminates.