[Downloads] Consolidate Java DownloadItem/Info creation

chrome/browser/android/download/download_manager_service.h

Index: chrome/browser/android/download/download_manager_service.h
diff --git a/chrome/browser/android/download/download_manager_service.h b/chrome/browser/android/download/download_manager_service.h
index c61592ec73755a93b58030a777a239f365b5af3a..fbc7f8a4ac721302ebc71e120570ecd0629843f1 100644
--- a/chrome/browser/android/download/download_manager_service.h
+++ b/chrome/browser/android/download/download_manager_service.h
@@ -39,6 +39,9 @@ class DownloadManagerService : public AllDownloadItemNotifier::Observer,
 
   static DownloadManagerService* GetInstance();
 
+  static base::android::ScopedJavaLocalRef<jobject> CreateJavaDownloadInfo(
+      JNIEnv* env, content::DownloadItem* item);
+
   DownloadManagerService();
   ~DownloadManagerService() override;
 
@@ -91,9 +94,6 @@ class DownloadManagerService : public AllDownloadItemNotifier::Observer,
                                           const JavaParamRef<jobject>& obj,
                                           bool is_off_the_record);
 
-  // Remove download items associated with |path| from downloads history.
-  void RemoveDownloadsForPath(const base::FilePath& path);
-
   // DownloadHistory::Observer methods.
   void OnHistoryQueryComplete() override;