Remove "< 7 minutes system startup" from startup metrics.

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 9cd12ae7cb4aa277d187580ca00b95e3dcc5f82d..85191e843fa45b7d5d7952e5c033cce3e61c5fcf 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -56187,6 +56187,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry" units="ms">
+  <obsolete>
+    Deprecated as of 08/2016. Replaced with
+    Startup.BrowserMessageLoopStartTimeFromMainEntry2 which is not only recorded
+    after 7 minutes of OS uptime.
+  </obsolete>

[gab, 2016/08/10 16:45:35]

Do not mark as obsolete yet (otherwise no point recording them as they won't be
visible -- unless you really only want to be able to manually find them by
typing their full name without autocomplete? I could buy that given it's more
likely to cause confusion than help, merely keeping them accessible without
auto-complete might be better)

Rob?

[fdoray, 2016/08/23 14:50:16]

Done.

   <owner>jeremy@chromium.org</owner>
   <summary>
     Time from main entry to the start of the main thread's message loop. This
@@ -56197,6 +56202,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 
 <histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry.FirstRun"
     units="ms">
+  <obsolete>
+    Deprecated as of 08/2016. Replaced with
+    Startup.BrowserMessageLoopStartTimeFromMainEntry.FirstRun2 which is not only
+    recorded after 7 minutes of OS uptime.
+  </obsolete>
   <owner>csharp@chromium.org</owner>
   <owner>gab@chromium.org</owner>
   <owner>jeremy@chromium.org</owner>
@@ -56207,6 +56217,24 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry.FirstRun2"
+    units="ms">
+  <owner>csharp@chromium.org</owner>
+  <owner>gab@chromium.org</owner>
+  <owner>jeremy@chromium.org</owner>

[gab, 2016/08/10 16:45:35]

Ask them as FYI but I think proper modern owners for these are you and I (jeremy
no longer works on startup and csharp merely took ownership of a bunch of them
during early protector days IIRC so that we wouldn't lose track of things that
*could* matter back when metrics team introduced "no owner == obsolete").

Similarly, feel free to modify owners for all other Startup.* metrics (you/I
everywhere +erikchen on the ones he added).

[fdoray, 2016/08/23 14:50:16]

Done.

+  <summary>
+    Time from main entry to the start of the main thread's message loop on first
+    run.
+  </summary>
+</histogram>
+
+<histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry2" units="ms">
+  <owner>jeremy@chromium.org</owner>
+  <summary>
+    Time from main entry to the start of the main thread's message loop.
+  </summary>
+</histogram>
+
 <histogram name="Startup.BrowserOpenTabs">
   <owner>jeremy@chromium.org</owner>
   <summary>
@@ -56506,6 +56534,10 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="Startup.LoadTime.ExeMainToDllMain">
+  <obsolete>
+    Deprecated as of 08/2016. Replaced with Startup.LoadTime.ExeMainToDllMain2
+    which is not only recorded after 7 minutes of OS uptime.
+  </obsolete>
   <owner>jeremy@chromium.org</owner>
   <summary>
     Time from the main() function in chrome.exe to chrome.dll's main(). This
@@ -56514,7 +56546,19 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Startup.LoadTime.ExeMainToDllMain2">
+  <owner>jeremy@chromium.org</owner>
+  <summary>
+    Time from the main() function in chrome.exe to chrome.dll's main().
+  </summary>
+</histogram>
+
 <histogram name="Startup.LoadTime.ProcessCreateToDllMain">
+  <obsolete>
+    Deprecated as of 08/2016. Replaced with
+    Startup.LoadTime.ProcessCreateToDllMain2 which is not only recorded after 7
+    minutes of OS uptime.
+  </obsolete>
   <owner>jeremy@chromium.org</owner>
   <summary>
     Time from the process creation to chrome.dll's main(). This stat is only
@@ -56523,7 +56567,17 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Startup.LoadTime.ProcessCreateToDllMain2">
+  <owner>jeremy@chromium.org</owner>
+  <summary>Time from the process creation to chrome.dll's main().</summary>
+</histogram>
+
 <histogram name="Startup.LoadTime.ProcessCreateToExeMain">
+  <obsolete>
+    Deprecated as of 08/2016. Replaced with
+    Startup.LoadTime.ProcessCreateToExeMain2 which is not only recorded after 7
+    minutes of OS uptime.
+  </obsolete>
   <owner>jeremy@chromium.org</owner>
   <summary>
     Time from the process creation to executing the main() function in
@@ -56532,6 +56586,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Startup.LoadTime.ProcessCreateToExeMain2">
+  <owner>jeremy@chromium.org</owner>
+  <summary>
+    Time from the process creation to executing the main() function in
+    chrome.exe.
+  </summary>
+</histogram>
+
 <histogram name="Startup.OSX.AwakeFromNib" units="ms">
   <owner>erikchen@chromium.org</owner>
   <summary>
@@ -101492,6 +101554,7 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="Startup.BrowserMessageLoopStartHardFaultCount"/>
   <affected-histogram name="Startup.BrowserMessageLoopStartTime"/>
   <affected-histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry"/>
+  <affected-histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry2"/>
   <affected-histogram name="Startup.BrowserOpenTabs"/>
   <affected-histogram name="Startup.BrowserWindowDisplay"/>
   <affected-histogram name="Startup.FirstWebContents.MainFrameLoad2"/>
@@ -101499,8 +101562,11 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="Startup.FirstWebContents.MainNavigationStart"/>
   <affected-histogram name="Startup.FirstWebContents.NonEmptyPaint2"/>
   <affected-histogram name="Startup.LoadTime.ExeMainToDllMain"/>
+  <affected-histogram name="Startup.LoadTime.ExeMainToDllMain2"/>
   <affected-histogram name="Startup.LoadTime.ProcessCreateToDllMain"/>
+  <affected-histogram name="Startup.LoadTime.ProcessCreateToDllMain2"/>
   <affected-histogram name="Startup.LoadTime.ProcessCreateToExeMain"/>
+  <affected-histogram name="Startup.LoadTime.ProcessCreateToExeMain2"/>
   <affected-histogram name="Startup.SystemUptime"/>
   <affected-histogram name="Startup.Temperature"/>
   <affected-histogram name="Startup.TimeSinceLastStartup"/>
@@ -102088,6 +102154,9 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry"/>
   <affected-histogram
       name="Startup.BrowserMessageLoopStartTimeFromMainEntry.FirstRun"/>
+  <affected-histogram
+      name="Startup.BrowserMessageLoopStartTimeFromMainEntry.FirstRun2"/>
+  <affected-histogram name="Startup.BrowserMessageLoopStartTimeFromMainEntry2"/>
   <affected-histogram name="Startup.BrowserOpenTabs"/>
   <affected-histogram name="Startup.BrowserWindowDisplay"/>
   <affected-histogram name="Startup.FirstWebContents.MainFrameLoad"/>
@@ -102097,8 +102166,11 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="Startup.FirstWebContents.NonEmptyPaint"/>
   <affected-histogram name="Startup.FirstWebContents.NonEmptyPaint2"/>
   <affected-histogram name="Startup.LoadTime.ExeMainToDllMain"/>
+  <affected-histogram name="Startup.LoadTime.ExeMainToDllMain2"/>
   <affected-histogram name="Startup.LoadTime.ProcessCreateToDllMain"/>
+  <affected-histogram name="Startup.LoadTime.ProcessCreateToDllMain2"/>
   <affected-histogram name="Startup.LoadTime.ProcessCreateToExeMain"/>
+  <affected-histogram name="Startup.LoadTime.ProcessCreateToExeMain2"/>
   <affected-histogram name="Startup.SystemUptime"/>
   <affected-histogram name="Startup.TimeSinceLastStartup"/>
 </histogram_suffixes>