Implement chrome.experimental.downloads.search()

content/browser/download/download_manager.h

Index: content/browser/download/download_manager.h
diff --git a/content/browser/download/download_manager.h b/content/browser/download/download_manager.h
index cf8d2db4a181143d753237d84207361f1c49f600..9ee1579a9e8ff92b6247b6ef04c636e846877c8b 100644
--- a/content/browser/download/download_manager.h
+++ b/content/browser/download/download_manager.h
@@ -65,7 +65,11 @@ struct DownloadSaveInfo;
 namespace content {
 class BrowserContext;
 class DownloadManagerDelegate;
-}
+}  // namespace content
+
+namespace download_util {
+class DownloadQuery;
+}  // namespace download_util
 
 // Browser's download manager: manages all downloads and destination view.
 class CONTENT_EXPORT DownloadManager
@@ -110,6 +114,10 @@ class CONTENT_EXPORT DownloadManager
   // are in progress or have completed.
   void GetAllDownloads(const FilePath& dir_path, DownloadVector* result);
 
+  // Fill |results| with the items that match |query|.
+  void Search(const download_util::DownloadQuery& query,
+              DownloadVector* results) const;
+
   // Returns all non-temporary downloads matching |query|. Empty query matches
   // everything.
   void SearchDownloads(const string16& query, DownloadVector* result);