Bug 1780264 Part 1 - Remove ReflowInput::mStyleVisibility. r=layout-reviewers,emilio

Differential Revision: https://phabricator.services.mozilla.com/D152202

layout/generic/ReflowInput.cpp

@@ -336,7 +336,6 @@ void ReflowInput::Init(nsPresContext* aPresContext,
 
   mStylePosition = mFrame->StylePosition();
   mStyleDisplay = mFrame->StyleDisplay();
-  mStyleVisibility = mFrame->StyleVisibility();
   mStyleBorder = mFrame->StyleBorder();
   mStyleMargin = mFrame->StyleMargin();
   mStylePadding = mFrame->StylePadding();

layout/generic/ReflowInput.h

@@ -409,7 +409,6 @@ struct ReflowInput : public SizeComputationInput {
 
   // Cached pointers to the various style structs used during initialization.
   const nsStyleDisplay* mStyleDisplay = nullptr;
-  const nsStyleVisibility* mStyleVisibility = nullptr;
   const nsStylePosition* mStylePosition = nullptr;
   const nsStyleBorder* mStyleBorder = nullptr;
   const nsStyleMargin* mStyleMargin = nullptr;

layout/generic/nsBlockFrame.cpp

@@ -2724,8 +2724,7 @@ void nsBlockFrame::ReflowDirtyLines(BlockReflowState& aState) {
       const auto align = isLastLine ? StyleText()->TextAlignForLastLine()
                                     : StyleText()->mTextAlign;
       if (line->mWritingMode.IsVertical() || line->mWritingMode.IsBidiRTL() ||
-          !IsAlignedLeft(align,
-                         aState.mReflowInput.mStyleVisibility->mDirection,
+          !IsAlignedLeft(align, StyleVisibility()->mDirection,
                          StyleTextReset()->mUnicodeBidi, this)) {
         line->MarkDirty();
       }