Refactor ResourceHandler API.

content/browser/loader/mojo_async_resource_handler.h

Index: content/browser/loader/mojo_async_resource_handler.h
diff --git a/content/browser/loader/mojo_async_resource_handler.h b/content/browser/loader/mojo_async_resource_handler.h
index 6c1ee69dacad5d8baa1c5a5b43cc6ee2ea58cedb..8425b8e612cb7d2c713af366fd5bbbc812a82154 100644
--- a/content/browser/loader/mojo_async_resource_handler.h
+++ b/content/browser/loader/mojo_async_resource_handler.h
@@ -35,6 +35,7 @@ class URLRequest;
 }
 
 namespace content {
+class ResourceController;
 class ResourceDispatcherHostImpl;
 struct ResourceResponse;
 
@@ -59,17 +60,23 @@ class CONTENT_EXPORT MojoAsyncResourceHandler
   ~MojoAsyncResourceHandler() override;
 
   // ResourceHandler implementation:
-  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;
   bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
                   int* buf_size,
                   int min_size) override;
-  bool OnReadCompleted(int bytes_read, bool* defer) override;
-  void OnResponseCompleted(const net::URLRequestStatus& status,
-                           bool* defer) override;
+  void OnReadCompleted(int bytes_read,
+                       std::unique_ptr<ResourceController> controller) override;
+  void OnResponseCompleted(
+      const net::URLRequestStatus& status,
+      std::unique_ptr<ResourceController> controller) override;
   void OnDataDownloaded(int bytes_downloaded) override;
 
   // mojom::URLLoader implementation: