Sending an async GET request for doc.written blocked scripts.

third_party/WebKit/Source/platform/network/ResourceRequest.h

Index: third_party/WebKit/Source/platform/network/ResourceRequest.h
diff --git a/third_party/WebKit/Source/platform/network/ResourceRequest.h b/third_party/WebKit/Source/platform/network/ResourceRequest.h
index 568a00063ab73c2f1044b6d50f5d94a6cf554ee0..a684d24868e865144c47ca7ac694ef0881dd7254 100644
--- a/third_party/WebKit/Source/platform/network/ResourceRequest.h
+++ b/third_party/WebKit/Source/platform/network/ResourceRequest.h
@@ -61,6 +61,13 @@ enum InputToLoadPerfMetricReportPolicy {
     ReportIntent, // Report metrics for this request as initiated by an intent.
 };
 
+enum InterventionsFlag {
+    InterventionNone = 0,
+    // Indicates that the doc written script was blocked and this is an async
+    // fetch for it. This is used to set the lowest priority.
+    InterventionBlockedDocWriteScriptAsyncFetch = 1 << 0,
+};
+
 struct CrossThreadResourceRequestData;
 
 class PLATFORM_EXPORT ResourceRequest final {
@@ -147,6 +154,7 @@ public:
 
     ResourceLoadPriority priority() const;
     void setPriority(ResourceLoadPriority, int intraPriorityValue = 0);
+    ResourceLoadPriority computePriorityForInterventions(ResourceLoadPriority) const;
 
     bool isConditional() const;
 
@@ -237,6 +245,8 @@ public:
     void setRedirectStatus(RedirectStatus status) { m_redirectStatus = status; }
     RedirectStatus redirectStatus() const { return m_redirectStatus; }
 
+    void setInterventionsInfo(int flag) { m_interventionsInfo = m_interventionsInfo | flag; }
+
 private:
     void initialize(const KURL&);
 
@@ -258,6 +268,7 @@ private:
     bool m_downloadToFile : 1;
     bool m_useStreamOnResponse : 1;
     bool m_shouldResetAppCache : 1;
+    int m_interventionsInfo;
     WebURLRequest::SkipServiceWorker m_skipServiceWorker;
     ResourceLoadPriority m_priority;
     int m_intraPriorityValue;