HTTP Bad: Split out UMA metrics for password vs credit card "Not secure" warnings

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 0ff173fa4ed719fa51b0bd109a0f4321880c3a08..9007e168c4e88000d4d42f47c5c1d17722e33659 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -56849,6 +56849,11 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 
 <histogram name="Security.HTTPBad.UserWarnedAboutSensitiveInput"
     enum="BooleanShown">
+  <obsolete>
+    Deprecated on 2016-11-10 because this is replaced by two separate metrics:
+    Security.HTTPBad.UserWarnedAboutSensitiveInput.CreditCard and
+    Security.HTTPBad.UserWarnedAboutSensitiveInput.Password.
+  </obsolete>
   <owner>elawrence@chromium.org</owner>
   <owner>estark@chromium.org</owner>
   <summary>
@@ -56858,6 +56863,28 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Security.HTTPBad.UserWarnedAboutSensitiveInput.CreditCard"
+    enum="BooleanShown">
+  <owner>elawrence@chromium.org</owner>
+  <owner>estark@chromium.org</owner>
+  <summary>
+    Whether a &quot;Not Secure&quot; warning was shown in the omnibox because a
+    credit card form field was rendered in a non-secure context. Logged at most
+    once per main-frame navigation.
+  </summary>
+</histogram>
+
+<histogram name="Security.HTTPBad.UserWarnedAboutSensitiveInput.Password"
+    enum="BooleanShown">
+  <owner>elawrence@chromium.org</owner>
+  <owner>estark@chromium.org</owner>
+  <summary>
+    Whether a &quot;Not Secure&quot; warning was shown in the omnibox because a
+    password form field was rendered in a non-secure context. Logged at most
+    once per main-frame navigation.
+  </summary>
+</histogram>
+
 <histogram name="Security.PageInfo.Action.HttpsUrl.Dangerous"
     enum="WebsiteSettingsAction">
   <owner>estark@chromium.org</owner>