Bug 1483119 - Get rid of HTMLEditor::GetURLForStyleSheet() since unused r=m_kato

Differential Revision: https://phabricator.services.mozilla.com/D3458

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

editor/libeditor/HTMLEditor.cpp

@@ -3247,22 +3247,6 @@ HTMLEditor::GetStyleSheetForURL(const nsAString& aURL)
   return mStyleSheets[foundIndex];
 }
 
-void
-HTMLEditor::GetURLForStyleSheet(StyleSheet* aStyleSheet,
-                                nsAString& aURL)
-{
-  // is it already in the list?
-  int32_t foundIndex = mStyleSheets.IndexOf(aStyleSheet);
-
-  // Don't fail if we don't find it in our list
-  if (foundIndex == -1) {
-    return;
-  }
-
-  // Found it in the list!
-  aURL = mStyleSheetURLs[foundIndex];
-}
-
 NS_IMETHODIMP
 HTMLEditor::GetEmbeddedObjects(nsIArray** aNodeList)
 {

editor/libeditor/HTMLEditor.h

@@ -970,11 +970,12 @@ protected: // Shouldn't be used by friend classes
   bool EnableExistingStyleSheet(const nsAString& aURL);
 
   /**
-   * Dealing with the internal style sheet lists.
+   * GetStyleSheetForURL() returns a pointer to StyleSheet which was added
+   * with AddOverrideStyleSheetInternal().  If it's not found, returns nullptr.
+   *
+   * @param aURL        URL to the style sheet.
    */
   StyleSheet* GetStyleSheetForURL(const nsAString& aURL);
-  void GetURLForStyleSheet(StyleSheet* aStyleSheet,
-                           nsAString& aURL);
 
   /**
    * Add a url + known style sheet to the internal lists.