Refactor ResourceHandler API.

content/browser/download/save_file_resource_handler.h

Index: content/browser/download/save_file_resource_handler.h
diff --git a/content/browser/download/save_file_resource_handler.h b/content/browser/download/save_file_resource_handler.h
index 950e49ad14b3c945f92e51ff519b283ce996d839..1ef11eef5530f81ce61c96530d46d579c643af6a 100644
--- a/content/browser/download/save_file_resource_handler.h
+++ b/content/browser/download/save_file_resource_handler.h
@@ -50,15 +50,16 @@ class SaveFileResourceHandler : public ResourceHandler {
 
   // Saves the redirected URL to final_url_, we need to use the original
   // URL to match original request.
-  bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
+  void OnRequestRedirected(const net::RedirectInfo& redirect_info,
                            ResourceResponse* response,
-                           bool* defer) override;
+                           bool* defer_or_cancel) override;
 
   // Sends the download creation information to the download thread.
-  bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
+  void OnResponseStarted(ResourceResponse* response,
+                         bool* defer_or_cancel) override;
 
   // Pass-through implementation.
-  bool OnWillStart(const GURL& url, bool* defer) override;
+  void OnWillStart(const GURL& url, bool* defer_or_cancel) override;
 
   // Creates a new buffer, which will be handed to the download thread for file
   // writing and deletion.
@@ -67,7 +68,7 @@ class SaveFileResourceHandler : public ResourceHandler {
                   int min_size) override;
 
   // Passes the buffer to the download file writer.
-  bool OnReadCompleted(int bytes_read, bool* defer) override;
+  void OnReadCompleted(int bytes_read, bool* defer_or_cancel) override;
 
   void OnResponseCompleted(const net::URLRequestStatus& status,
                            bool* defer) override;