[Download Home] Add basic tests for the DownloadManagerUi

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java
index fdfdd0e9a1fad27f1a1cfda15d1874499f4d866c..48d5fe002c43a28cf96c10e7339ebc04b00bd6e4 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadActivity.java
@@ -7,6 +7,7 @@ package org.chromium.chrome.browser.download;
 import android.content.ComponentName;
 import android.os.Bundle;
 
+import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.SnackbarActivity;
 import org.chromium.chrome.browser.download.ui.DownloadManagerUi;
@@ -39,4 +40,9 @@ public class DownloadActivity extends SnackbarActivity {
         mDownloadManagerUi.onDestroyed();
         super.onDestroy();
     }
+
+    @VisibleForTesting
+    DownloadManagerUi getDownloadManagerUiForTests() {
+        return mDownloadManagerUi;
+    }
 }