Implement chrome.experimental.downloads.search()

chrome/browser/extensions/extension_downloads_api.h

Index: chrome/browser/extensions/extension_downloads_api.h
diff --git a/chrome/browser/extensions/extension_downloads_api.h b/chrome/browser/extensions/extension_downloads_api.h
index b0cf0e90cc3db310d6ae215aa9250fcfbb2156c4..e1ad205e4cd5802d07574f734f48d808567bef28 100644
--- a/chrome/browser/extensions/extension_downloads_api.h
+++ b/chrome/browser/extensions/extension_downloads_api.h
@@ -15,6 +15,7 @@
 #include "base/string16.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "content/browser/download/download_item.h"
+#include "content/browser/download/download_query.h"
 #include "content/browser/download/download_manager.h"
 
 namespace base {
@@ -140,6 +141,13 @@ class DownloadsSearchFunction : public SyncDownloadsFunction {
   virtual void RunInternal() OVERRIDE;
 
  private:
+  template <typename ValueType>
+  bool Parse(base::DictionaryValue* json, const char* name);
+
+  download_util::DownloadQuery query_;
+  int get_id_;
+  bool has_get_id_;
+
   DISALLOW_COPY_AND_ASSIGN(DownloadsSearchFunction);
 };