Introduce AsyncDocumentSubresourceFilter.

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
index 607cefdf4231681b31a6de9f5e17c63050659f82..98c1bcb179c029034379ab9a2a47398c715c7554 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
@@ -30,6 +30,8 @@
 
 #include "core/loader/FrameFetchContext.h"
 
+#include <algorithm>
+#include <memory>
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/V8DOMActivityLogger.h"
 #include "core/dom/Document.h"
@@ -78,11 +80,10 @@
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/WebCachePolicy.h"
 #include "public/platform/WebDocumentSubresourceFilter.h"
+#include "public/platform/WebDocumentSubresourceFilterLoadPolicy.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "public/platform/WebViewScheduler.h"
 #include "wtf/Vector.h"
-#include <algorithm>
-#include <memory>
 
 namespace blink {
 
@@ -820,23 +821,23 @@ ResourceRequestBlockedReason FrameFetchContext::canRequestInternal(
   DocumentLoader* documentLoader = masterDocumentLoader();
   if (documentLoader && documentLoader->subresourceFilter() &&
       type != Resource::MainResource && type != Resource::ImportResource) {
-    WebDocumentSubresourceFilter::LoadPolicy loadPolicy =
+    WebDocumentSubresourceFilterLoadPolicy loadPolicy =
         documentLoader->subresourceFilter()->getLoadPolicy(
             url, resourceRequest.requestContext());
     if (reportingPolicy == SecurityViolationReportingPolicy::Report) {
       switch (loadPolicy) {
-        case WebDocumentSubresourceFilter::Allow:
+        case WebDocumentSubresourceFilterLoadPolicy::Allow:
           break;
-        case WebDocumentSubresourceFilter::Disallow:
+        case WebDocumentSubresourceFilterLoadPolicy::Disallow:
           documentLoader->subresourceFilter()->reportDisallowedLoad();
         // fall through
-        case WebDocumentSubresourceFilter::WouldDisallow:
+        case WebDocumentSubresourceFilterLoadPolicy::WouldDisallow:
           documentLoader->didObserveLoadingBehavior(
               WebLoadingBehaviorSubresourceFilterMatch);
           break;
       }
     }
-    if (loadPolicy == WebDocumentSubresourceFilter::Disallow)
+    if (loadPolicy == WebDocumentSubresourceFilterLoadPolicy::Disallow)
       return ResourceRequestBlockedReason::SubresourceFilter;
   }