Bug 1120860 - Measure whether an <input type=password> is associated with a <form> in BindToTree. r=smaug

--HG--
extra : rebase_source : bbabe796a1ec1c6d545cec4dc61e51c3bba31624

dom/html/HTMLInputElement.cpp

@@ -17,6 +17,7 @@
 #include "nsIRadioVisitor.h"
 #include "nsIPhonetic.h"
 
+#include "mozilla/Telemetry.h"
 #include "nsIControllers.h"
 #include "nsIStringBundle.h"
 #include "nsFocusManager.h"
@@ -4497,6 +4498,12 @@ HTMLInputElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
   // And now make sure our state is up to date
   UpdateState(false);
 
+#ifdef EARLY_BETA_OR_EARLIER
+  if (mType == NS_FORM_INPUT_PASSWORD) {
+    Telemetry::Accumulate(Telemetry::PWMGR_PASSWORD_INPUT_IN_FORM, !!mForm);
+  }
+#endif
+
   return rv;
 }
 

toolkit/components/telemetry/Histograms.json

@@ -7626,6 +7626,11 @@
     "n_buckets" : 40,
     "description": "Time in days each saved login was last used"
   },
+  "PWMGR_PASSWORD_INPUT_IN_FORM": {
+    "expires_in_version": "never",
+    "kind": "boolean",
+    "description": "Whether an <input type=password> is associated with a <form> when it is added to a document"
+  },
   "PWMGR_PROMPT_REMEMBER_ACTION" : {
     "expires_in_version": "never",
     "kind": "enumerated",