Support DataSaver for SharedWorker

third_party/WebKit/Source/web/WebSharedWorkerImpl.h

Index: third_party/WebKit/Source/web/WebSharedWorkerImpl.h
diff --git a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
index f6adcf7191bb4e12e997eeffd7efecf1fde7435b..c9457e929031b3ca48d5ef32cbf72b01a19d9b95 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
+++ b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
@@ -89,7 +89,8 @@ class WebSharedWorkerImpl final : public WebFrameClient,
                           const WebString& name,
                           const WebString& content_security_policy,
                           WebContentSecurityPolicyType,
-                          WebAddressSpace) override;
+                          WebAddressSpace,
+                          bool data_saver_enabled) override;
   void Connect(std::unique_ptr<WebMessagePortChannel>) override;
   void TerminateWorkerContext() override;
 
@@ -119,7 +120,7 @@ class WebSharedWorkerImpl final : public WebFrameClient,
   void TerminateWorkerThread();
 
   // Creates the shadow loader used for worker network requests.
-  void InitializeLoader();
+  void InitializeLoader(bool data_saver_enabled);
 
   void LoadShadowPage();
   void DidReceiveScriptLoaderResponse();