PlzNavigate: preserve SourceLocation when navigating

third_party/WebKit/public/web/WebDataSource.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebDataSource_h
 #define WebDataSource_h
 
 #include <memory>
 
 #include "../platform/WebCommon.h"
 #include "WebNavigationType.h"
+#include "WebSourceLocation.h"
 #include "WebTextDirection.h"
 
 namespace blink {
 
 class WebDocumentSubresourceFilter;
 class WebServiceWorkerNetworkProvider;
 class WebURL;
 class WebURLRequest;
 class WebURLResponse;
 template <typename T>
@@ skipping 76 matching lines @@
   virtual void setSubresourceFilter(WebDocumentSubresourceFilter*) = 0;
 
   // Allows the embedder to set and return the service worker provider
   // associated with the data source. The provider may provide the service
   // worker that controls the resource loading from this data source.
   virtual void setServiceWorkerNetworkProvider(
       std::unique_ptr<WebServiceWorkerNetworkProvider>) = 0;
   virtual WebServiceWorkerNetworkProvider*
   getServiceWorkerNetworkProvider() = 0;
 
+  // PlzNavigate
+  // Allows to specify the SourceLocation that triggered the navigation.
+  virtual void setSourceLocation(const WebSourceLocation&) = 0;
+  virtual void resetSourceLocation() = 0;
+
  protected:
   ~WebDataSource() {}
 };
 
 }  // namespace blink
 
 #endif