Refactor ResourceHandler API.

content/browser/loader/throttling_resource_handler.h

Index: content/browser/loader/throttling_resource_handler.h
diff --git a/content/browser/loader/throttling_resource_handler.h b/content/browser/loader/throttling_resource_handler.h
index 434151506ad250837132b7824b8bd5b704f7f59b..b0b6a94b8df023572210e6ae383c2cf4f1ab1eee 100644
--- a/content/browser/loader/throttling_resource_handler.h
+++ b/content/browser/loader/throttling_resource_handler.h
@@ -7,6 +7,8 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "content/browser/loader/layered_resource_handler.h"
@@ -34,11 +36,15 @@ class ThrottlingResourceHandler : public LayeredResourceHandler,
   ~ThrottlingResourceHandler() override;
 
   // LayeredResourceHandler overrides:
-  bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
-                           ResourceResponse* response,
-                           bool* defer) override;
-  bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
-  bool OnWillStart(const GURL& url, bool* defer) override;
+  void OnRequestRedirected(
+      const net::RedirectInfo& redirect_info,
+      ResourceResponse* response,
+      std::unique_ptr<ResourceController> controller) override;
+  void OnResponseStarted(
+      ResourceResponse* response,
+      std::unique_ptr<ResourceController> controller) override;
+  void OnWillStart(const GURL& url,
+                   std::unique_ptr<ResourceController> controller) override;
 
   // ResourceController implementation:
   void Cancel() override;