Added of new UMA signals in order to be able to discover early if the "save password" feature gets …

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 7abdedd66b1459fda7be7b22025ce4165ce7c553..643e0e5d79c2939ce562c96b39814807bc17d439 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -10235,6 +10235,26 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="PasswordManager.Enabled" enum="BooleanEnabled">
+  <summary>
+    Indicates if the password manager is enable when PasswordManagers are
+    constructed.
+  </summary>
+</histogram>
+
+<histogram name="PasswordManager.InfobarDisplayed">
+  <summary>Indicates if the save password prompt is displayed.</summary>
+</histogram>
+
+<histogram name="PasswordManager.InfobarLifetime" units="milliseconds">
+  <summary>
+    The time elapsed between when a &quot;Save password?&quot; infobar was shown
+    and when it was hidden. The infobar can be hidden either as a result of user
+    interaction with the infobar, or automatically when the page is navigated or
+    the tab is closed.
+  </summary>
+</histogram>
+
 <histogram name="PasswordManager.OtherPossibleUsernamesUsage"
     enum="OtherPossibleUsernamesUsage">
   <summary>
@@ -25317,6 +25337,20 @@ other types of suffix sets.
   <affected-histogram name="Renderer4.BeginToFinishDoc"/>
 </fieldtrial>
 
+<fieldtrial name="PasswordManagerMonitor">
+  <group name="google.com" label="google"/>
+  <group name="yahoo.com" label="yahoo"/>
+  <group name="baidu.com" label="baidu"/>
+  <group name="wikipedia.org" label="wikipedia"/>
+  <group name="linkedin.com" label="linkedin"/>
+  <group name="live.com" label="live"/>
+  <group name="twitter.com" label="twitter"/>
+  <group name="amazon.com" label="amazon"/>
+  <affected-histogram name="PasswordManager.InfobarDisplayed"/>
+  <affected-histogram name="PasswordManager.InfobarLifetime"/>
+  <affected-histogram name="PasswordManager.ProvisionalSaveFailure"/>
+</fieldtrial>
+
 <fieldtrial name="PpapiPluginName">
   <group name="libpepflashplayer.so" label="Flash player on Linux or Cros"/>
   <group name="libwidevinecdmadapter.so" label="Widevine CDM on Linux or Cros"/>