Distinguish between subresource filtering and dryrun matching.

third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h

Index: third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h
diff --git a/third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h b/third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h
index bcb38b37abfb88d6980c624888cff891b32864c0..f74eab7705abde33b04ebf96dfd886d0c2af2ae8 100644
--- a/third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h
+++ b/third_party/WebKit/public/platform/WebLoadingBehaviorFlag.h
@@ -30,7 +30,10 @@ enum WebLoadingBehaviorFlag {
   WebLoadingBehaviorCSSPreloadFound = 1 << 4,
   // Indicates that the page has a synchronous, same-origin document.written
   // script with different protocol.
-  WebLoadingBehaviorDocumentWriteBlockDifferentScheme = 1 << 5
+  WebLoadingBehaviorDocumentWriteBlockDifferentScheme = 1 << 5,
+  // Indicates that a subresource on the page matched the subresource filtering
+  // rules.
+  WebLoadingBehaviorSubresourceFilterMatch = 1 << 6
 };
 
 }  // namespace blink