[Autofill] Add metric for profile action on form submitted

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 75b4374a2f3f0b64e760c62300e06a5f8b1898e4..7bff6e3cd57eb2a69bdc9b1365348341a42b4dcf 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -2068,6 +2068,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="Autofill.AutomaticProfileCreation" enum="BooleanCreated">
+  <obsolete>
+    Deprecated as of 6/2015, replaced by Autofill.ProfileActionOnFormSubmitted.
+  </obsolete>
   <owner>sebsg@chromium.org</owner>
   <summary>
     Whether a new Autofill profile was created automatically. In the
@@ -2346,6 +2349,14 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Autofill.ProfileActionOnFormSubmitted"
+    enum="AutofillProfileAction">
+  <owner>sebsg@chromium.org</owner>
+  <summary>
+    The profile action that took place when a form was submitted.
+  </summary>
+</histogram>
+
 <histogram name="AutoFill.ProfileCount">
   <obsolete>
     Deprecated as of 3/2011, replaced by Autofill.StoredProfileCount.
@@ -52915,6 +52926,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="1" label="Selected popup entry"/>
 </enum>
 
+<enum name="AutofillProfileAction" type="int">
+  <int value="0" label="Existing profile used"/>
+  <int value="1" label="Existing profile updated"/>
+  <int value="2" label="New profile created"/>
+</enum>
+
 <enum name="AutofillQuality" type="int">
   <int value="0" label="Submitted"/>
   <int value="1" label="Autofilled"/>