Bug 1553012 - Drop nsIDOMWindowUtils.redraw. r=mattwoodrow

Differential Revision: https://phabricator.services.mozilla.com/D36135

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

dom/base/nsDOMWindowUtils.cpp

@@ -343,32 +343,6 @@ nsDOMWindowUtils::GetDocumentMetadata(const nsAString& aName,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsDOMWindowUtils::Redraw(uint32_t aCount, uint32_t* aDurationOut) {
-  if (aCount == 0) aCount = 1;
-
-  if (PresShell* presShell = GetPresShell()) {
-    nsIFrame* rootFrame = presShell->GetRootFrame();
-
-    if (rootFrame) {
-      PRIntervalTime iStart = PR_IntervalNow();
-
-      for (uint32_t i = 0; i < aCount; i++) rootFrame->InvalidateFrame();
-
-#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK)
-      if (!gfxPlatform::IsHeadless()) {
-        XSync(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), False);
-      }
-#endif
-
-      *aDurationOut = PR_IntervalToMilliseconds(PR_IntervalNow() - iStart);
-
-      return NS_OK;
-    }
-  }
-  return NS_ERROR_FAILURE;
-}
-
 NS_IMETHODIMP
 nsDOMWindowUtils::UpdateLayerTree() {
   if (RefPtr<PresShell> presShell = GetPresShell()) {

dom/interfaces/base/nsIDOMWindowUtils.idl

@@ -95,14 +95,6 @@ interface nsIDOMWindowUtils : nsISupports {
    */
   AString getDocumentMetadata(in AString aName);
 
-  /**
-   * Force an immediate redraw of this window.  The parameter specifies
-   * the number of times to redraw, and the return value is the length,
-   * in milliseconds, that the redraws took.  If aCount is not specified
-   * or is 0, it is taken to be 1.
-   */
-  unsigned long redraw([optional] in unsigned long aCount);
-
   /**
    * Force a synchronous layer transaction for this window if necessary.
    */