Bug 1425641, part 3 - Remove nsIWebBrowserPrint.GetCurrentChildDOMWindow. r=bobowen

MozReview-Commit-ID: EZHNKvyUT42

layout/base/nsDocumentViewer.cpp

@@ -4193,15 +4193,6 @@ nsDocumentViewer::GetCurrentPrintSettings(nsIPrintSettings * *aCurrentPrintSetti
   return mPrintJob->GetCurrentPrintSettings(aCurrentPrintSettings);
 }
 
-
-NS_IMETHODIMP
-nsDocumentViewer::GetCurrentChildDOMWindow(mozIDOMWindowProxy** aCurrentChildDOMWindow)
-{
-  NS_ENSURE_ARG_POINTER(aCurrentChildDOMWindow);
-  *aCurrentChildDOMWindow = nullptr;
-  return NS_ERROR_NOT_IMPLEMENTED;
-}
-
 NS_IMETHODIMP
 nsDocumentViewer::Cancel()
 {

toolkit/components/browser/nsIWebBrowserPrint.idl

@@ -45,18 +45,6 @@ interface nsIWebBrowserPrint : nsISupports
    */
   readonly attribute nsIPrintSettings currentPrintSettings;
 
-  /**
-   * Returns a pointer to the current child DOMWindow
-   * that is being print previewed. (FrameSet Frames)
-   *
-   * Returns null if parent document is not a frameset or the entire FrameSet 
-   * document is being print previewed
-   *
-   * This enables any consumers of the interface to have access
-   * to the "current" child DOMWindow at later points in the execution
-   */
-  readonly attribute mozIDOMWindowProxy currentChildDOMWindow;
-
   /**
    * Returns whether it is in Print mode
    */

toolkit/components/printingui/ipc/PrintDataUtils.cpp

@@ -42,12 +42,6 @@ MockWebBrowserPrint::GetCurrentPrintSettings(nsIPrintSettings **aCurrentPrintSet
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
-NS_IMETHODIMP
-MockWebBrowserPrint::GetCurrentChildDOMWindow(mozIDOMWindowProxy **aCurrentPrintSettings)
-{
-  return NS_ERROR_NOT_IMPLEMENTED;
-}
-
 NS_IMETHODIMP
 MockWebBrowserPrint::GetDoingPrint(bool *aDoingPrint)
 {