Return error to chrome.downloads.removeFile

content/browser/download/download_item_impl.h

Index: content/browser/download/download_item_impl.h
diff --git a/content/browser/download/download_item_impl.h b/content/browser/download/download_item_impl.h
index ada0e36e61c94ca31d70afb6cb9ed962732d32e9..d6dcde0dd59d939539ec20ae10e6de121bd55ed9 100644
--- a/content/browser/download/download_item_impl.h
+++ b/content/browser/download/download_item_impl.h
@@ -129,7 +129,7 @@ class CONTENT_EXPORT DownloadItemImpl
   virtual const std::string& GetHash() const OVERRIDE;
   virtual const std::string& GetHashState() const OVERRIDE;
   virtual bool GetFileExternallyRemoved() const OVERRIDE;
-  virtual void DeleteFile() OVERRIDE;
+  virtual void DeleteFile(const base::Callback<void(bool)>& callback) OVERRIDE;
   virtual bool IsDangerous() const OVERRIDE;
   virtual DownloadDangerType GetDangerType() const OVERRIDE;
   virtual bool TimeRemaining(base::TimeDelta* remaining) const OVERRIDE;
@@ -184,7 +184,7 @@ class CONTENT_EXPORT DownloadItemImpl
   // Notify observers that this item is being removed by the user.
   virtual void NotifyRemoved();
 
-  virtual void OnDownloadedFileRemoved(bool success);
+  virtual void OnDownloadedFileRemoved();
 
   // Provide a weak pointer reference to a DownloadDestinationObserver
   // for use by download destinations.
@@ -373,6 +373,8 @@ class CONTENT_EXPORT DownloadItemImpl
 
   void ResumeInterruptedDownload();
 
+  void DeleteFileDone(const base::Callback<void(bool)>& callback, bool success);
+
   static DownloadState InternalToExternalState(
       DownloadInternalState internal_state);
   static DownloadInternalState ExternalToInternalState(