Support DataSaver for SharedWorker

third_party/WebKit/public/web/WebSharedWorker.h

Index: third_party/WebKit/public/web/WebSharedWorker.h
diff --git a/third_party/WebKit/public/web/WebSharedWorker.h b/third_party/WebKit/public/web/WebSharedWorker.h
index cf156706fe482fa0bce9d9be6fb82473b4afd67d..866da83b5de855b65fcd33108b6be6de4bfd4785 100644
--- a/third_party/WebKit/public/web/WebSharedWorker.h
+++ b/third_party/WebKit/public/web/WebSharedWorker.h
@@ -34,6 +34,7 @@
 #include "../platform/WebAddressSpace.h"
 #include "../platform/WebCommon.h"
 #include "../platform/WebContentSecurityPolicy.h"
+#include "public/web/WebDataSaverFlag.h"
 
 namespace blink {
 
@@ -54,7 +55,8 @@ class WebSharedWorker {
                                   const WebString& name,
                                   const WebString& content_security_policy,
                                   WebContentSecurityPolicyType,
-                                  WebAddressSpace) = 0;
+                                  WebAddressSpace,
+                                  WebDataSaverFlag) = 0;
 
   // Sends a connect event to the SharedWorker context.
   virtual void Connect(std::unique_ptr<WebMessagePortChannel>) = 0;