Ensure that the quirks stylesheet is enabled/disabled before we start creating frames so that we don't have to build the rule cascade twice. Remove old compatibility mode pref that only controlled a small part of what it should have. b=141261 sr=waterson r=jst

git-svn-id: svn://10.0.0.236/trunk@122112 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/html/document/src/nsHTMLDocument.cpp

@@ -495,17 +495,8 @@ nsHTMLDocument::CreateShell(nsIPresContext* aContext,
                             nsIStyleSet* aStyleSet,
                             nsIPresShell** aInstancePtrResult)
 {
-  nsresult result = nsMarkupDocument::CreateShell(aContext,
-                                                  aViewManager,
-                                                  aStyleSet,
-                                                  aInstancePtrResult);
-
-  if (NS_SUCCEEDED(result)) {
-    aContext->SetCompatibilityMode(((eDTDMode_strict== mDTDMode) ? 
-                                    eCompatibility_Standard : 
-                                    eCompatibility_NavQuirks));
-  }
-  return result;
+  return doCreateShell(aContext, aViewManager, aStyleSet,
+                       eDTDMode_strict != mDTDMode, aInstancePtrResult);
 }
 
 // The following Try*Charset will return PR_FALSE only if the charset source