UMA Metrics to track profile deletion, along with signed-in status.

BUG=357693

Review URL: https://codereview.chromium.org/345733006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278606 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/profiles/profile_manager.cc

@@ -1100,6 +1100,10 @@ void ProfileManager::FinishDeletingProfile(const base::FilePath& profile_dir) {
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(
           profile)->DisableForUser();
     }
+
+    bool profile_is_signed_in = !cache.GetUserNameOfProfileAtIndex(
+        cache.GetIndexOfProfileWithPath(profile_dir)).empty();
+    ProfileMetrics::LogProfileDelete(profile_is_signed_in);
   }
 
   QueueProfileDirectoryForDeletion(profile_dir);

chrome/browser/profiles/profile_metrics.cc

@@ -362,6 +362,10 @@ void ProfileMetrics::LogProfileDesktopMenu(
   }
 }
 
+void ProfileMetrics::LogProfileDelete(bool profile_was_signed_in) {
+  UMA_HISTOGRAM_BOOLEAN("Profile.Delete", profile_was_signed_in);
+}
+
 #if defined(OS_ANDROID)
 void ProfileMetrics::LogProfileAndroidAccountManagementMenu(
     ProfileAndroidAccountManagementMenu metric,

chrome/browser/profiles/profile_metrics.h

@@ -158,6 +158,7 @@ class ProfileMetrics {
   static void LogProfileUpgradeEnrollment(ProfileUpgradeEnrollment metric);
   static void LogProfileDesktopMenu(ProfileDesktopMenu metric,
                                     signin::GAIAServiceType gaia_service);
+  static void LogProfileDelete(bool profile_was_signed_in);
 
 #if defined(OS_ANDROID)
   static void LogProfileAndroidAccountManagementMenu(

tools/metrics/histograms/histograms.xml

@@ -22459,6 +22459,17 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Profile.Delete" enum="BooleanProfileSignedIn">
+  <owner>mlerman@chromium.org</owner>
+  <summary>
+    The user used the settings page to delete a profile. Please note this
+    histogram tracks the user interaction, and not the actual delete of the
+    profile, which can happen much later. The parameter indicates if the profile
+    was signed in or not; true means the profile was signed in, false means the
+    profile was not signed in.
+  </summary>
+</histogram>
+
 <histogram name="Profile.DesktopMenu" enum="ProfileDesktopMenu">
   <owner>mlerman@chromium.org</owner>
   <summary>
@@ -33901,6 +33912,11 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="1" label="Orphan"/>
 </enum>
 
+<enum name="BooleanProfileSignedIn" type="int">
+  <int value="0" label="Profile was not Signed In"/>
+  <int value="1" label="Profile was Signed In"/>
+</enum>
+
 <enum name="BooleanRaced" type="int">
   <int value="0" label="Did Not Race"/>
   <int value="1" label="Raced"/>