Bug 1404140 - Cleanup initialization of nsComputedDOMStyle::mFlushedPendingReflows. r=heycam

Differential Revision: https://phabricator.services.mozilla.com/D40294

layout/style/nsComputedDOMStyle.cpp

@@ -308,10 +308,6 @@ nsComputedDOMStyle::nsComputedDOMStyle(dom::Element* aElement,
       mStyleType(aStyleType),
       mExposeVisitedStyle(false),
       mResolvedComputedStyle(false)
-#ifdef DEBUG
-      ,
-      mFlushedPendingReflows(false)
-#endif
 {
   MOZ_ASSERT(aElement);
   MOZ_ASSERT(aDocument);

layout/style/nsComputedDOMStyle.h

@@ -406,7 +406,7 @@ class nsComputedDOMStyle final : public nsDOMCSSDeclaration,
   bool mResolvedComputedStyle;
 
 #ifdef DEBUG
-  bool mFlushedPendingReflows;
+  bool mFlushedPendingReflows = false;
 #endif
 
   friend struct ComputedStyleMap;