Refactor the forPreload flag to mean speculative preload.

third_party/WebKit/Source/platform/loader/fetch/FetchContext.cpp

 /*
  * Copyright (C) 2013 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 74 matching lines @@
 void FetchContext::dispatchDidFail(unsigned long,
                                    const ResourceError&,
                                    int64_t,
                                    bool) {}
 
 void FetchContext::willStartLoadingResource(
     unsigned long,
     ResourceRequest&,
     Resource::Type,
     const AtomicString& fetchInitiatorName,
-    bool) {}
+    V8ActivityLoggingPolicy) {}
 
 void FetchContext::didLoadResource(Resource*) {}
 
 void FetchContext::addResourceTiming(const ResourceTimingInfo&) {}
 
 void FetchContext::sendImagePing(const KURL&) {}
 
 void FetchContext::addConsoleMessage(const String&,
                                      FetchContext::LogMessageType) const {}
 
 void FetchContext::populateResourceRequest(Resource::Type,
                                            const ClientHintsPreferences&,
                                            const FetchRequest::ResourceWidth&,
                                            ResourceRequest&) {}
 
 void FetchContext::setFirstPartyCookieAndRequestorOrigin(ResourceRequest&) {}
 
 }  // namespace blink