Bug 1474143 - Remove unused 'passwordmanager' category and gPasswordManagerInitialized. r=Ehsan

Differential Revision: https://phabricator.services.mozilla.com/D16649

--HG--
extra : moz-landing-system : lando

dom/html/HTMLFormElement.cpp

@@ -93,7 +93,6 @@ static const nsAttrValue::EnumTable* kFormDefaultAutocomplete =
     &kFormAutocompleteTable[0];
 
 bool HTMLFormElement::gFirstFormSubmitted = false;
-bool HTMLFormElement::gPasswordManagerInitialized = false;
 
 HTMLFormElement::HTMLFormElement(
     already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
@@ -1124,16 +1123,8 @@ nsresult HTMLFormElement::AddElement(nsGenericHTMLFormElement* aChild,
 
   int32_t type = aChild->ControlType();
 
-  //
-  // If it is a password control, and the password manager has not yet been
-  // initialized, initialize the password manager
-  //
+  // If it is a password control, inform the password manager.
   if (type == NS_FORM_INPUT_PASSWORD) {
-    if (!gPasswordManagerInitialized) {
-      gPasswordManagerInitialized = true;
-      NS_CreateServicesFromCategory(NS_PASSWORDMANAGER_CATEGORY, nullptr,
-                                    NS_PASSWORDMANAGER_CATEGORY);
-    }
     PostPasswordEvent();
   }
 

dom/html/HTMLFormElement.h

@@ -605,8 +605,6 @@ class HTMLFormElement final : public nsGenericHTMLElement,
  protected:
   /** Detection of first form to notify observers */
   static bool gFirstFormSubmitted;
-  /** Detection of first password input to initialize the password manager */
-  static bool gPasswordManagerInitialized;
 
  private:
   ~HTMLFormElement();

dom/html/nsIFormSubmitObserver.idl

@@ -26,6 +26,5 @@ interface nsIFormSubmitObserver: nsISupports
 #define NS_FORMSUBMIT_SUBJECT "formsubmit"
 #define NS_EARLYFORMSUBMIT_SUBJECT "earlyformsubmit"
 #define NS_FIRST_FORMSUBMIT_CATEGORY "firstformsubmit"
-#define NS_PASSWORDMANAGER_CATEGORY "passwordmanager"
 #define NS_INVALIDFORMSUBMIT_SUBJECT "invalidformsubmit"
 %}