160907 struct FrameMetrics {  struct
160911   typedef uint64_t ViewID;
160912   static const ViewID NULL_SCROLL_ID;
160913   static const ViewID START_SCROLL_ID = 2;
160916   enum ScrollOffsetUpdateType : uint8_t {
160934   FrameMetrics()  in FrameMetrics()  argument
160963   bool operator==(const FrameMetrics& aOther) const  in operator ==()
160991   bool operator!=(const FrameMetrics& aOther) const  in operator !=()
160996   bool IsScrollable() const  in IsScrollable()
161001   CSSToScreenScale2D DisplayportPixelsPerCSSPixel() const  in DisplayportPixelsPerCSSPixel()
161013   CSSToLayerScale2D LayersPixelsPerCSSPixel() const  in LayersPixelsPerCSSPixel()
161019   LayerToParentLayerScale GetAsyncZoom() const  in GetAsyncZoom()
161032   CSSRect GetExpandedScrollableRect() const  in GetExpandedScrollableRect()
161051   CSSSize CalculateCompositedSizeInCssPixels() const  in CalculateCompositedSizeInCssPixels()
161059   CSSRect CalculateCompositedRectInCssPixels() const  in CalculateCompositedRectInCssPixels()
161067   CSSSize CalculateBoundedCompositedSizeInCssPixels() const  in CalculateBoundedCompositedSizeInCssPixels()
161075   CSSRect CalculateScrollRange() const  in CalculateScrollRange()
161084   void ScrollBy(const CSSPoint& aPoint)  in ScrollBy()
161089   void ZoomBy(float aScale)  in ZoomBy()
161094   void ZoomBy(const gfxSize& aScale)  in ZoomBy()
161100   void CopyScrollInfoFrom(const FrameMetrics& aOther)  in CopyScrollInfoFrom()
161106   void CopySmoothScrollInfoFrom(const FrameMetrics& aOther)  in CopySmoothScrollInfoFrom()
161113   void UpdatePendingScrollInfo(const ScrollUpdateInfo& aInfo)  in UpdatePendingScrollInfo()
161120   void SetRepaintDrivenByUserAction(bool aUserAction)  in SetRepaintDrivenByUserAction()
161126   void SetPresShellResolution(float aPresShellResolution)  in SetPresShellResolution()
161131   float GetPresShellResolution() const  in GetPresShellResolution()
161136   void SetCompositionBounds(const ParentLayerRect& aCompositionBounds)  in SetCompositionBounds()
161141   const ParentLayerRect& GetCompositionBounds() const  in GetCompositionBounds()
161146   void SetDisplayPort(const CSSRect& aDisplayPort)  in SetDisplayPort()
161151   const CSSRect& GetDisplayPort() const  in GetDisplayPort()
161156   void SetCriticalDisplayPort(const CSSRect& aCriticalDisplayPort)  in SetCriticalDisplayPort()
161161   const CSSRect& GetCriticalDisplayPort() const  in GetCriticalDisplayPort()
161166   void SetCumulativeResolution(const LayoutDeviceToLayerScale2D& aCumulativeResolution)  in SetCumulativeResolution()
161171   const LayoutDeviceToLayerScale2D& GetCumulativeResolution() const  in GetCumulativeResolution()
161176   void SetDevPixelsPerCSSPixel(const CSSToLayoutDeviceScale& aDevPixelsPerCSSPixel)  in SetDevPixelsPerCSSPixel()
161181   const CSSToLayoutDeviceScale& GetDevPixelsPerCSSPixel() const  in GetDevPixelsPerCSSPixel()
161186   void SetIsRootContent(bool aIsRootContent)  in SetIsRootContent()
161191   bool IsRootContent() const  in IsRootContent()
161196   void SetScrollOffset(const CSSPoint& aScrollOffset)  in SetScrollOffset()
161201   const CSSPoint& GetScrollOffset() const  in GetScrollOffset()
161206   void SetSmoothScrollOffset(const CSSPoint& aSmoothScrollDestination)  in SetSmoothScrollOffset()
161211   const CSSPoint& GetSmoothScrollOffset() const  in GetSmoothScrollOffset()
161216   void SetZoom(const CSSToParentLayerScale2D& aZoom)  in SetZoom()
161221   const CSSToParentLayerScale2D& GetZoom() const  in GetZoom()
161226   void SetScrollOffsetUpdated(uint32_t aScrollGeneration)  in SetScrollOffsetUpdated()
161232   void SetScrollOffsetRestored(uint32_t aScrollGeneration)  in SetScrollOffsetRestored()
161238   void SetSmoothScrollOffsetUpdated(int32_t aScrollGeneration)  in SetSmoothScrollOffsetUpdated()
161244   ScrollOffsetUpdateType GetScrollUpdateType() const  in GetScrollUpdateType()
161249   bool GetScrollOffsetUpdated() const  in GetScrollOffsetUpdated()
161254   bool GetDoSmoothScroll() const  in GetDoSmoothScroll()
161259   uint32_t GetScrollGeneration() const  in GetScrollGeneration()
161264   ViewID GetScrollId() const  in GetScrollId()
161269   void SetScrollId(ViewID scrollId)  in SetScrollId()
161274   void SetRootCompositionSize(const CSSSize& aRootCompositionSize)  in SetRootCompositionSize()
161279   const CSSSize& GetRootCompositionSize() const  in GetRootCompositionSize()
161284   void SetDisplayPortMargins(const ScreenMargin& aDisplayPortMargins)  in SetDisplayPortMargins()
161289   const ScreenMargin& GetDisplayPortMargins() const  in GetDisplayPortMargins()
161294   void SetUseDisplayPortMargins(bool aValue)  in SetUseDisplayPortMargins()
161299   bool GetUseDisplayPortMargins() const  in GetUseDisplayPortMargins()
161304   uint32_t GetPresShellId() const  in GetPresShellId()
161309   void SetPresShellId(uint32_t aPresShellId)  in SetPresShellId()
161314   void SetViewport(const CSSRect& aViewport)  in SetViewport()
161319   const CSSRect& GetViewport() const  in GetViewport()
161324   void SetExtraResolution(const ScreenToLayerScale2D& aExtraResolution)  in SetExtraResolution()
161329   const ScreenToLayerScale2D& GetExtraResolution() const  in GetExtraResolution()
161334   const CSSRect& GetScrollableRect() const  in GetScrollableRect()
161339   void SetScrollableRect(const CSSRect& aScrollableRect)  in SetScrollableRect()
161344   void SetPaintRequestTime(const TimeStamp& aTime) {  in SetPaintRequestTime()
161347   const TimeStamp& GetPaintRequestTime() const {  in GetPaintRequestTime()
161351   void SetIsScrollInfoLayer(bool aIsScrollInfoLayer) {  in SetIsScrollInfoLayer()
161354   bool IsScrollInfoLayer() const {  in IsScrollInfoLayer()
161360   ViewID mScrollId;
161362   float mPresShellResolution;
161364   ParentLayerRect mCompositionBounds;
161366   CSSRect mDisplayPort;
161374   CSSRect mCriticalDisplayPort;
161376   CSSRect mScrollableRect;
161378   LayoutDeviceToLayerScale2D mCumulativeResolution;
161380   CSSToLayoutDeviceScale mDevPixelsPerCSSPixel;
161382   CSSPoint mScrollOffset;
161388   CSSToParentLayerScale2D mZoom;
161391   uint32_t mScrollGeneration;
161395   CSSPoint mSmoothScrollOffset;
161398   CSSSize mRootCompositionSize;
161402   ScreenMargin mDisplayPortMargins;
161404   uint32_t mPresShellId;
161406   CSSRect mViewport;
161410   ScreenToLayerScale2D mExtraResolution;
161413   TimeStamp mPaintRequestTime;
161417   ScrollOffsetUpdateType mScrollUpdateType;
161420   bool mIsRootContent:1;
161424   bool mDoSmoothScroll:1;
161428   bool mUseDisplayPortMargins:1;
161431   bool mIsScrollInfoLayer:1;
161433   void SetDoSmoothScroll(bool aValue) {  in SetDoSmoothScroll()
161882   typedef mozilla::layers::FrameMetrics FrameMetrics;  typedef in nsIScrollableFrame