Bug 1654575 - Remove unused field nsPresContext::mExistThrottledUpdates. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D84541

layout/base/nsPresContext.cpp

@@ -180,7 +180,6 @@ nsPresContext::nsPresContext(dom::Document* aDocument, nsPresContextType aType)
       mPPScale(1.0f),
       mViewportScrollOverrideElement(nullptr),
       mViewportScrollStyles(StyleOverflow::Auto, StyleOverflow::Auto),
-      mExistThrottledUpdates(false),
       // mImageAnimationMode is initialised below, in constructor body
       mImageAnimationModePref(imgIContainer::kNormalAnimMode),
       mInterruptChecksToSkip(0),

layout/base/nsPresContext.h

@@ -1033,15 +1033,6 @@ class nsPresContext : public nsISupports, public mozilla::SupportsWeakPtr {
 
   void SetUsesExChUnits(bool aValue) { mUsesExChUnits = aValue; }
 
-  // true if there are OMTA transition updates for the current document which
-  // have been throttled, and therefore some style information may not be up
-  // to date
-  bool ExistThrottledUpdates() const { return mExistThrottledUpdates; }
-
-  void SetExistThrottledUpdates(bool aExistThrottledUpdates) {
-    mExistThrottledUpdates = aExistThrottledUpdates;
-  }
-
   bool IsDeviceSizePageSize();
 
   bool HasWarnedAboutPositionedTableParts() const {
@@ -1231,8 +1222,6 @@ class nsPresContext : public nsISupports, public mozilla::SupportsWeakPtr {
   mozilla::dom::Element* MOZ_NON_OWNING_REF mViewportScrollOverrideElement;
   ScrollStyles mViewportScrollStyles;
 
-  bool mExistThrottledUpdates;
-
   uint16_t mImageAnimationMode;
   uint16_t mImageAnimationModePref;