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 88162811e289c728e72c2e39c9a6faaaf02ddd5b..c60bb90f0d3186740b8dc3157458da4970aa2b5a 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -55719,6 +55719,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="Startup.FirstCommitNavigationTime" units="ms">
+  <obsolete>
+    Replaced by Startup.FirstCommitNavigationTime2
+  </obsolete>
   <owner>pasko@chromium.org</owner>
   <summary>
     [Android only] The time from the earliest entry point in the browser process
@@ -55727,6 +55730,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Startup.FirstCommitNavigationTime2" units="ms">
+  <owner>pasko@chromium.org</owner>
+  <owner>wnwen@chromium.org</owner>
+  <summary>
+    [Android only] The time from the first foreground entry point in the app to
+    the moment the first navigation is committed, i.e. when renderer gets the
+    first byte of the document.
+  </summary>
+</histogram>
+
 <histogram name="Startup.FirstWebContents.FinishReason"
     enum="StartupProfilingFinishReason">
   <owner>gab@chromium.org</owner>
@@ -60090,6 +60103,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="UMA.Debug.EnableCrashUpload.DeferredStartUpCompleteTime"
+    units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <summary>
+    Measures how much time since application was first in foreground till all
+    deferred tasks are done. Only logged on Android.
+  </summary>
+</histogram>
+
 <histogram name="UMA.Debug.EnableCrashUpload.DeferredStartUpDuration"
     units="ms">
   <owner>wnwen@chromium.org</owner>
@@ -60110,7 +60132,18 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="UMA.Debug.EnableCrashUpload.DeferredStartUpMaxTaskDuration"
+    units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <summary>
+    Measures the maximum amount of time a single deferred startup task took.
+  </summary>
+</histogram>
+
 <histogram name="UMA.Debug.EnableCrashUpload.DeferredStartUptime" units="ms">
+  <obsolete>
+    Replaced by UMA.Debug.EnableCrashUpload.DeferredStartUptime2
+  </obsolete>
   <owner>asvitkine@chromium.org</owner>
   <summary>
     Measures how much time since start up it took for onDeferredStartup() to be
@@ -60119,8 +60152,21 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="UMA.Debug.EnableCrashUpload.DeferredStartUptime2" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>asvitkine@chromium.org</owner>
+  <summary>
+    Measures how much time since application was first in foreground till
+    deferred tasks are initialized and queued on the idle handler. Only logged
+    on Android.
+  </summary>
+</histogram>
+
 <histogram name="UMA.Debug.EnableCrashUpload.PostDeferredStartUptime"
     units="ms">
+  <obsolete>
+    Replaced by UMA.Debug.EnableCrashUpload.PostDeferredStartUptime2
+  </obsolete>
   <owner>asvitkine@chromium.org</owner>
   <summary>
     Measures how much time since start up it took before ChromeActivity's
@@ -60128,6 +60174,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="UMA.Debug.EnableCrashUpload.PostDeferredStartUptime2"
+    units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>asvitkine@chromium.org</owner>
+  <summary>
+    Measures how much time since application was first in foreground till
+    ChromeActivity's postDeferredStartupIfNeeded() was called exactly once. Only
+    logged on Android.
+  </summary>
+</histogram>
+
 <histogram name="UMA.Debug.EnableCrashUpload.Uptime" units="ms">
   <obsolete>
     Replaced by UMA.Debug.EnableCrashUpload.Uptime2
@@ -60141,6 +60198,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="UMA.Debug.EnableCrashUpload.Uptime2" units="ms">
+  <obsolete>
+    Replaced by UMA.Debug.EnableCrashUpload.Uptime3
+  </obsolete>
   <owner>asvitkine@chromium.org</owner>
   <summary>
     Measures how much time since start up it took before crash reporting was
@@ -60149,6 +60209,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="UMA.Debug.EnableCrashUpload.Uptime3" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>asvitkine@chromium.org</owner>
+  <summary>
+    Measures how much time since application was first in foreground till crash
+    reporting was enabled via enablePotentialCrashUploading() as part of
+    deferred start up. Only logged on Android.
+  </summary>
+</histogram>
+
 <histogram name="UMA.Discarded Log Events">
   <owner>asvitkine@chromium.org</owner>
   <summary>