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..75d2985fc6ebc7f824432604e0dce199af48e27d 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -10235,6 +10235,16 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="PasswordManager.InfobarDislayedTooShortly" enum="Boolean">
+  <summary>Indicates if the info bar has been displayed too shortly.</summary>
+</histogram>
+
+<histogram name="PasswordManager.InfobarDisplayed">
+  <summary>
+    A boolean that indicates whether the save password info bar is displayed.
+  </summary>
+</histogram>
+
 <histogram name="PasswordManager.OtherPossibleUsernamesUsage"
     enum="OtherPossibleUsernamesUsage">
   <summary>
@@ -10243,6 +10253,17 @@ other types of suffix sets.
   </summary>
 </histogram>
 
+<histogram name="PasswordManager.PasswordManager_Enabled" enum="BooleanEnabled">
+  <summary>Indicates if the password manager is enable.</summary>
+</histogram>
+
+<histogram name="PasswordManager.PreviousPasswordSavedRecently">
+  <summary>
+    A boolean which indicates if the current user saved a password for the same
+    login for the current website recently.
+  </summary>
+</histogram>
+
 <histogram name="PasswordManager.ProvisionalSaveFailure"
     enum="ProvisionalSaveFailure">
   <summary>
@@ -25317,6 +25338,21 @@ 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.InfobarDislayedTooShortly"/>
+  <affected-histogram name="PasswordManager.InfobarDisplayed"/>
+  <affected-histogram name="PasswordManager.PreviousPasswordSavedRecently"/>
+  <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"/>