[Home] Fix placeholder color for incognito

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.download;
 
 import android.app.Activity;
 import android.view.View;
 
 import org.chromium.base.ActivityState;
@@ skipping 65 matching lines @@
     public View getToolbarView() {
         return mToolbarView;
     }
 
     @Override
     public boolean isUsingLightToolbarTheme() {
         return mToolbarView.isLightTheme();
     }
 
     @Override
+    public boolean isIncognitoThemedContent() {
+        return false;
+    }
+
+    @Override
     public int getVerticalScrollOffset() {
         return mDownloadManager.getVerticalScrollOffset();
     }
 
     @Override
     public void destroy() {
         mDownloadManager.onDestroyed();
         mDownloadManager = null;
         ApplicationStatus.unregisterActivityStateListener(mActivityStateListener);
     }
 
     @Override
     public int getType() {
         return BottomSheetContentController.TYPE_DOWNLOADS;
     }
 }