Change WebURLLoaderClient::willFollowRedirect() API to return bool

third_party/WebKit/Source/core/loader/DocumentThreadableLoaderClient.h

 /*
  * Copyright (C) 2011 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 27 matching lines @@
 class ResourceRequest;
 class ResourceResponse;
 
 class DocumentThreadableLoaderClient : public ThreadableLoaderClient {
   WTF_MAKE_NONCOPYABLE(DocumentThreadableLoaderClient);
   USING_FAST_MALLOC(DocumentThreadableLoaderClient);
 
  public:
   bool isDocumentThreadableLoaderClient() final { return true; }
 
-  virtual void willFollowRedirect(
-      ResourceRequest& /*newRequest*/,
-      const ResourceResponse& /*redirectResponse*/) {}
+  virtual bool willFollowRedirect(
+      const ResourceRequest& /*newRequest*/,
+      const ResourceResponse& /*redirectResponse*/) {
+    return true;
+  }
 
  protected:
   DocumentThreadableLoaderClient() {}
 };
 
 }  // namespace blink
 
 #endif  // DocumentThreadableLoaderClient_h