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..a8b888e9ab17b0294bb78c44ac07959cef7b3f9a 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
+  // policy.

[engedy, 2017/02/06 16:56:32]

nit: s/policy/rules/ for consistency.

[Bryan McQuade, 2017/02/06 17:11:56]

Done.

+  WebLoadingBehaviorSubresourceFilterMatch = 1 << 6
 };
 
 }  // namespace blink