Bug 1167557 - Log for Null surface in SurfaceCache::Insert. r=milan

---
 gfx/2d/Logging.h       | 1 +
 image/SurfaceCache.cpp | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

image/SurfaceCache.cpp

@@ -1036,7 +1036,8 @@ SurfaceCache::Insert(imgFrame*         aSurface,
 
   // Refuse null surfaces.
   if (!aSurface) {
-    MOZ_CRASH("Don't pass null surfaces to SurfaceCache::Insert");
+    gfxDevCrash(LogReason::InvalidCacheSurface) << "Null surface in SurfaceCache::Insert";
+    return InsertOutcome::FAILURE;
   }
 
   MutexAutoLock lock(sInstance->GetMutex());