Bug 1892867. Remove some unused view/ code. r=hiro

Differential Revision: https://phabricator.services.mozilla.com/D208289

Author: tnikkel

view/nsView.cpp

@@ -902,28 +902,6 @@ bool nsView::IsRoot() const {
   return mViewManager->GetRootView() == this;
 }
 
-nsRect nsView::GetBoundsInParentUnits() const {
-  nsView* parent = GetParent();
-  nsViewManager* VM = GetViewManager();
-  if (this != VM->GetRootView() || !parent) {
-    return mDimBounds;
-  }
-  int32_t ourAPD = VM->AppUnitsPerDevPixel();
-  int32_t parentAPD = parent->GetViewManager()->AppUnitsPerDevPixel();
-  return mDimBounds.ScaleToOtherAppUnitsRoundOut(ourAPD, parentAPD);
-}
-
-nsPoint nsView::ConvertFromParentCoords(nsPoint aPt) const {
-  const nsView* parent = GetParent();
-  if (parent) {
-    aPt = aPt.ScaleToOtherAppUnits(
-        parent->GetViewManager()->AppUnitsPerDevPixel(),
-        GetViewManager()->AppUnitsPerDevPixel());
-  }
-  aPt -= GetPosition();
-  return aPt;
-}
-
 static bool IsPopupWidget(nsIWidget* aWidget) {
   return aWidget->GetWindowType() == WindowType::Popup;
 }

view/nsView.h

@@ -218,13 +218,6 @@ class nsView final : public nsIWidgetListener {
    */
   nsPoint GetOffsetToWidget(nsIWidget* aWidget) const;
 
-  /**
-   * Takes a point aPt that is in the coordinate system of |this|'s parent view
-   * and converts it to be in the coordinate system of |this| taking into
-   * account the offset and any app unit per dev pixel ratio differences.
-   */
-  nsPoint ConvertFromParentCoords(nsPoint aPt) const;
-
   /**
    * Called to query the visibility state of a view.
    * @result current visibility state
@@ -525,9 +518,6 @@ class nsView final : public nsIWidgetListener {
   // parent, if we can)
   void DropMouseGrabbing();
 
-  // Same as GetBounds but converts to parent appunits if they are different.
-  nsRect GetBoundsInParentUnits() const;
-
   bool HasNonEmptyDirtyRegion() {
     return mDirtyRegion && !mDirtyRegion->IsEmpty();
   }