[Autofill] Add metric for profile action on form submitted

components/autofill/core/browser/autofill_metrics.h

Index: components/autofill/core/browser/autofill_metrics.h
diff --git a/components/autofill/core/browser/autofill_metrics.h b/components/autofill/core/browser/autofill_metrics.h
index f3d378cd9a8a9b246ed864d32ab83a1e5b7ae33b..2699e23b089dc94f5c25541bb87f5a7979e85fed 100644
--- a/components/autofill/core/browser/autofill_metrics.h
+++ b/components/autofill/core/browser/autofill_metrics.h
@@ -22,6 +22,12 @@ namespace autofill {
 
 class AutofillMetrics {
  public:
+  enum AutofillProfileAction {
+    EXISTING_PROFILE_USED,
+    EXISTING_PROFILE_UPDATED,
+    NEW_PROFILE_CREATED,

[rkaplow, 2015/10/07 15:04:56]

should have something like
AUTOFILL_PROFILE_ACTION_ENUM_SIZE as the last entry

[sebsg, 2015/10/08 14:55:05]

Done.

+  };
+
   enum DeveloperEngagementMetric {
     // Parsed a form that is potentially autofillable.
     FILLABLE_FORM_PARSED = 0,
@@ -576,9 +582,9 @@ class AutofillMetrics {
   // This should be called each time a server response is parsed for a form.
   static void LogServerResponseHasDataForForm(bool has_data);
 
-  // This should be called at each form submission to indicate whether a new
-  // profile was created.
-  static void LogAutomaticProfileCreation(bool created);
+  // This should be called at each form submission to indicate what profile
+  // action happened.
+  static void LogProfileActionOnFormSubmitted(AutofillProfileAction action);
 
   // Utility to autofill form events in the relevant histograms depending on
   // the presence of server and/or local data.