[Downloads UI] Batch delete selected items

base/android/java/src/org/chromium/base/FileUtils.java

Index: base/android/java/src/org/chromium/base/FileUtils.java
diff --git a/base/android/java/src/org/chromium/base/FileUtils.java b/base/android/java/src/org/chromium/base/FileUtils.java
index 2c0d8f59fac9ae329a3a803d7ce66f7361a3f07d..2ad70dd9a1c8ff65af68ba23cf4a6c86b8062364 100644
--- a/base/android/java/src/org/chromium/base/FileUtils.java
+++ b/base/android/java/src/org/chromium/base/FileUtils.java
@@ -12,6 +12,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.List;
 
 /**
  * Helper methods for dealing with Files.
@@ -37,6 +38,18 @@ public class FileUtils {
     }
 
     /**
+     * Delete the given files or directories by calling {@link #recursivelyDeleteFile(File)}.
+     * @param files The files to delete.
+     */
+    public static void batchDeleteFiles(List<File> files) {
+        assert !ThreadUtils.runningOnUiThread();
+
+        for (File file : files) {
+            if (file.exists()) recursivelyDeleteFile(file);
+        }
+    }
+
+    /**
      * Extracts an asset from the app's APK to a file.
      * @param context
      * @param assetName Name of the asset to extract.