Bug 1208584 - Silence unconstrained size warning by default. r=jfkthame

--HG--
extra : rebase_source : 910f4075078362dc28e15ce34e64a89f6aa639b2

layout/base/nsLayoutUtils.cpp

@@ -116,6 +116,7 @@
 #include "nsAnimationManager.h"
 #include "nsTransitionManager.h"
 #include "RestyleManager.h"
+#include "LayoutLogging.h"
 
 // Make sure getpid() works.
 #ifdef XP_WIN
@@ -4897,10 +4898,10 @@ nsLayoutUtils::ComputeISizeValue(
 {
   NS_PRECONDITION(aFrame, "non-null frame expected");
   NS_PRECONDITION(aRenderingContext, "non-null rendering context expected");
-  NS_WARN_IF_FALSE(aContainingBlockISize != NS_UNCONSTRAINEDSIZE,
-                   "have unconstrained inline-size; this should only result from "
-                   "very large sizes, not attempts at intrinsic inline-size "
-                   "calculation");
+  LAYOUT_WARN_IF_FALSE(aContainingBlockISize != NS_UNCONSTRAINEDSIZE,
+                       "have unconstrained inline-size; this should only result from "
+                       "very large sizes, not attempts at intrinsic inline-size "
+                       "calculation");
   NS_PRECONDITION(aContainingBlockISize >= 0,
                   "inline-size less than zero");