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 096b1e2efe46736cd0238584bfee0291b59d5be9..eca0fc07b50550604ba48a170588c614a9d4ac70 100644
--- a/content/browser/download/download_manager.h
+++ b/content/browser/download/download_manager.h
@@ -46,6 +46,7 @@
 #include "base/time.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/download/download_item.h"
+#include "content/browser/download/download_query.h"
 #include "content/browser/download/download_request_handle.h"
 #include "content/browser/download/download_status_updater_delegate.h"
 #include "content/browser/download/interrupt_reasons.h"
@@ -107,6 +108,10 @@ 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);