Moved CrOS experiments to the public histogram file.

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 087e250b3526ca1f34c2feb9607cf59fa2358a78..6efb7aa961451435a0394caabe589443c3bcfdb2 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -28124,6 +28124,19 @@ other types of suffix sets.
   <affected-histogram name="Prerender.TimeUntilUsed2"/>
 </fieldtrial>
 
+<fieldtrial name="ProfilePictureDownload" separator=".">
+  <group name="Default.OOBE" label="default picture, in OOBE"/>
+  <group name="Default.LoggedIn" label="default picture, after login"/>
+  <group name="Default.Preferences" label="default picture, in Prefs"/>
+  <group name="Failure.OOBE" label="download has failed, in OOBE"/>
+  <group name="Failure.LoggedIn" label="download has failed, after login"/>
+  <group name="Failure.Preferences" label="download has failed, in Prefs"/>
+  <group name="Success.OOBE" label="download was successful, in OOBE"/>
+  <group name="Success.LoggedIn" label="download was successful, after login"/>
+  <group name="Success.Preferences" label="download was successful, in Prefs"/>
+  <affected-histogram name="UserImage.ProfileDownloadTime"/>
+</fieldtrial>
+
 <fieldtrial name="ProgressiveScan">
   <group name="FullScan" label="Using WPA_supplicant to scan."/>
   <group name="33Percent_4MinMax"