Add support for color input datalist on Android

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

+// Copyright 2013 The Chromium Authors. All rights reserved.

[newt (away), 2013/10/09 06:07:03]

This interface could live inside ColorSuggestionListAdapter, which conceptually
owns this interface.

[keishi, 2013/10/15 16:44:02]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.

[newt (away), 2013/10/09 06:07:03]

newline after copyright

+package org.chromium.ui;
+
+/**
+ * The callback used to indicate the user has clicked on a suggestion.
+ */
+public interface OnColorSuggestionClickListener {
+
+    /**
+     * Called upon a click on a suggestion.
+     *
+     * @param suggestion The suggestion that was clicked.
+     */
+    void onColorSuggestionClick(ColorSuggestion suggestion);
+}