bug 856779 - make nsStyleSet::Init() return void r=dholbert

layout/base/nsPresShell.cpp

@@ -812,8 +812,7 @@ PresShell::Init(nsIDocument* aDocument,
   aPresContext->SetShell(this);
 
   // Now we can initialize the style set.
-  result = aStyleSet->Init(aPresContext);
-  NS_ENSURE_SUCCESS(result, result);
+  aStyleSet->Init(aPresContext);
 
   // From this point on, any time we return an error we need to make
   // sure to null out mStyleSet first, since an error return from this

layout/style/nsStyleSet.cpp

@@ -138,7 +138,7 @@ nsStyleSet::SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const
   return n;
 }
 
-nsresult
+void
 nsStyleSet::Init(nsPresContext *aPresContext)
 {
   mFirstLineRule = new nsEmptyStyleRule;
@@ -149,8 +149,6 @@ nsStyleSet::Init(nsPresContext *aPresContext)
 
   GatherRuleProcessors(eAnimationSheet);
   GatherRuleProcessors(eTransitionSheet);
-
-  return NS_OK;
 }
 
 nsresult

layout/style/nsStyleSet.h

@@ -62,10 +62,7 @@ class nsStyleSet
 
   size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const;
 
-  // Initialize the object.  You must check the return code and not use
-  // the nsStyleSet if Init() fails.
-
-  nsresult Init(nsPresContext *aPresContext);
+  void Init(nsPresContext *aPresContext);
 
   nsRuleNode* GetRuleTree() { return mRuleTree; }