Fix Resource Priorities and Scheduling (Blink Side)

Source/core/fetch/ResourceFetcher.h

Index: Source/core/fetch/ResourceFetcher.h
diff --git a/Source/core/fetch/ResourceFetcher.h b/Source/core/fetch/ResourceFetcher.h
index 1e0090f2c8113428f0fd869e2899d8c04197cbad..2f876a239871a7f858d7173d60d3fd13323195ad 100644
--- a/Source/core/fetch/ResourceFetcher.h
+++ b/Source/core/fetch/ResourceFetcher.h
@@ -207,10 +207,11 @@ private:
     };
     DeadResourceStatsRecorder m_deadStatsRecorder;
 
-    // 29 bits left
+    // 28 bits left
     bool m_autoLoadImages : 1;
     bool m_imagesEnabled : 1;
     bool m_allowStaleResources : 1;
+    bool m_imageFetched : 1;
 };
 
 class ResourceCacheValidationSuppressor {