[Downloads UI] Implement search

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
index 5229e987822193cc0e86b26eca9eaba52335435f..d0c6ee86af3d8b0fbcf4dcb80f6f053e5d2564b5 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java
@@ -347,6 +347,19 @@ public class DownloadHistoryAdapter extends DateDividedAdapter
         mObservers.removeObserver(observer);
     }
 
+    void search(String query) {

[gone, 2017/01/20 20:13:00]

Javadoc

[Theresa, 2017/01/20 21:16:18]

Done.

+        mFilteredItems.clear();
+        mRegularDownloadItems.filter(mFilter, query, mFilteredItems);
+        mIncognitoDownloadItems.filter(mFilter, query, mFilteredItems);
+        mOfflinePageItems.filter(mFilter, query, mFilteredItems);
+        clear(false);
+        loadItems(mFilteredItems);
+    }
+
+    void onEndSearch() {

[gone, 2017/01/20 20:13:00]

Guess this is called when a search is canceled?

[Theresa, 2017/01/20 21:16:18]

Yes, when the user hits the navigation back button to exit the search view.

+        filter(mFilter);
+    }
+
     private DownloadDelegate getDownloadDelegate() {
         return mBackendProvider.getDownloadDelegate();
     }