Bug 1488910 - Rename remaining uses of "SPCSPS" to "visual viewport size". r=botond

--HG--
extra : rebase_source : 8272c090e436d42926bf0e0584ad8f1b402011bb

gfx/layers/apz/util/APZCCallbackHelper.cpp

@@ -293,8 +293,8 @@ APZCCallbackHelper::UpdateRootFrame(FrameMetrics& aMetrics)
   if (gfxPrefs::APZAllowZooming() && aMetrics.GetScrollOffsetUpdated()) {
     // If zooming is disabled then we don't really want to let APZ fiddle
     // with these things. In theory setting the resolution here should be a
-    // no-op, but setting the SPCSPS is bad because it can cause a stale value
-    // to be returned by window.innerWidth/innerHeight (see bug 1187792).
+    // no-op, but setting the visual viewport size is bad because it can cause a
+    // stale value to be returned by window.innerWidth/innerHeight (see bug 1187792).
     //
     // We also skip this codepath unless the metrics has a scroll offset update
     // type other eNone, because eNone just means that this repaint request

layout/base/MobileViewportManager.cpp

@@ -118,7 +118,7 @@ MobileViewportManager::ResolutionUpdated()
     // can take it into account later on.
     SetRestoreResolution(mPresShell->GetResolution());
   }
-  RefreshSPCSPS();
+  RefreshVisualViewportSize();
 }
 
 NS_IMETHODIMP
@@ -285,8 +285,8 @@ MobileViewportManager::UpdateResolution(const nsViewportInfo& aViewportInfo,
 }
 
 void
-MobileViewportManager::UpdateSPCSPS(const ScreenIntSize& aDisplaySize,
-                                    const CSSToScreenScale& aZoom)
+MobileViewportManager::UpdateVisualViewportSize(const ScreenIntSize& aDisplaySize,
+                                                const CSSToScreenScale& aZoom)
 {
   ScreenSize compositionSize(aDisplaySize);
   ScreenMargin scrollbars =
@@ -332,10 +332,10 @@ MobileViewportManager::UpdateDisplayPortMargins()
 }
 
 void
-MobileViewportManager::RefreshSPCSPS()
+MobileViewportManager::RefreshVisualViewportSize()
 {
   // This function is a subset of RefreshViewportSize, and only updates the
-  // SPCSPS.
+  // visual viewport size.
 
   if (!gfxPrefs::APZAllowZooming()) {
     return;
@@ -350,7 +350,7 @@ MobileViewportManager::RefreshSPCSPS()
   CSSToScreenScale zoom = ViewTargetAs<ScreenPixel>(cssToDev * res / ParentLayerToLayerScale(1),
     PixelCastJustification::ScreenIsParentLayerForRoot);
 
-  UpdateSPCSPS(displaySize, zoom);
+  UpdateVisualViewportSize(displaySize, zoom);
 }
 
 void
@@ -414,7 +414,7 @@ MobileViewportManager::RefreshViewportSize(bool aForceAdjustResolution)
     CSSToScreenScale zoom = UpdateResolution(viewportInfo, displaySize, viewport,
       displayWidthChangeRatio);
     MVM_LOG("%p: New zoom is %f\n", this, zoom.scale);
-    UpdateSPCSPS(displaySize, zoom);
+    UpdateVisualViewportSize(displaySize, zoom);
   }
   if (gfxPlatform::AsyncPanZoomEnabled()) {
     UpdateDisplayPortMargins();

layout/base/MobileViewportManager.h

@@ -53,7 +53,7 @@ public:
   void RequestReflow();
 
   /* Notify the MobileViewportManager that the resolution on the presShell was
-   * updated, and the SPCSPS needs to be updated. */
+   * updated, and the visual viewport size needs to be updated. */
   void ResolutionUpdated();
 
 private:
@@ -67,8 +67,8 @@ private:
    * need updating. */
   void RefreshViewportSize(bool aForceAdjustResolution);
 
-  /* Secondary main helper method to update just the SPCSPS. */
-  void RefreshSPCSPS();
+  /* Secondary main helper method to update just the visual viewport size. */
+  void RefreshVisualViewportSize();
 
   /* Helper to clamp the given zoom by the min/max in the viewport info. */
   mozilla::CSSToScreenScale ClampZoom(const mozilla::CSSToScreenScale& aZoom,
@@ -87,9 +87,8 @@ private:
                                              const mozilla::CSSSize& aViewport,
                                              const mozilla::Maybe<float>& aDisplayWidthChangeRatio);
 
-  /* Updates the scroll-position-clamping scrollport size */
-  void UpdateSPCSPS(const mozilla::ScreenIntSize& aDisplaySize,
-                    const mozilla::CSSToScreenScale& aZoom);
+  void UpdateVisualViewportSize(const mozilla::ScreenIntSize& aDisplaySize,
+                                const mozilla::CSSToScreenScale& aZoom);
 
   /* Updates the displayport margins for the presShell's root scrollable frame */
   void UpdateDisplayPortMargins();