Http Bad: Add a PopupItemId to identify http warning message

ui/android/java/src/org/chromium/ui/DropdownItemImpl.java

Index: ui/android/java/src/org/chromium/ui/DropdownItemImpl.java
diff --git a/ui/android/java/src/org/chromium/ui/DropdownItemImpl.java b/ui/android/java/src/org/chromium/ui/DropdownItemImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..3396bffea377b78aa3a1cd6803253e7a88b8c381
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/DropdownItemImpl.java
@@ -0,0 +1,50 @@
+// Copyright 2016 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.ui;
+
+/**
+ * DropdownItem implementation used to get default settings to show the item.

[Mathieu, 2016/11/16 05:09:46]

Add a note that subclassing is the proper way to use this.

[lshang, 2016/11/16 09:34:24]

Done.

+ */
+public class DropdownItemImpl implements DropdownItem {
+    @Override
+    public String getLabel() {
+        return null;
+    }
+
+    @Override
+    public String getSublabel() {
+        return null;
+    }
+
+    @Override
+    public int getIconId() {
+        return NO_ICON;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+
+    @Override
+    public boolean isGroupHeader() {
+        return false;
+    }
+
+    @Override
+    public boolean isMultilineLabel() {
+        return false;
+    }
+
+    @Override
+    public int getLabelFontColor() {
+        return R.drawable.dropdown_label_color;
+    }
+
+    @Override
+    public int getLabelFontSize() {
+        return R.dimen.dropdown_item_label_font_size;
+    }
+}