[Android] Add public API for Browser Action in support library

customtabs/src/android/support/customtabs/browseractions/BrowserActionItem.java

Index: customtabs/src/android/support/customtabs/browseractions/BrowserActionItem.java
diff --git a/customtabs/src/android/support/customtabs/browseractions/BrowserActionItem.java b/customtabs/src/android/support/customtabs/browseractions/BrowserActionItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..ad875b476706d2bb92c4aaf1363784b9bac52e95
--- /dev/null
+++ b/customtabs/src/android/support/customtabs/browseractions/BrowserActionItem.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.support.customtabs.browseractions;
+
+import android.app.PendingIntent;
+import android.graphics.Bitmap;
+import android.support.annotation.NonNull;
+
+/**
+ * A wrapper class holding custom item of Browser Actions menu.
+ * The Bitmap is optional for a BrowserActionItem.
+ */
+public class BrowserActionItem {
+    private final String mTitle;
+    private final PendingIntent mAction;
+    private Bitmap mIcon;
+
+    /**
+     * Constructor for BrowserActionItem with icon, string and action provided.
+     * @param icon The icon shown for a custom item.
+     * @param title The string shown for a custom item.
+     * @param action The PendingIntent executed when a custom item is selected
+     */
+    public BrowserActionItem(@NonNull String title, @NonNull PendingIntent action, Bitmap icon) {
+        mTitle = title;
+        mAction = action;
+        mIcon = icon;
+    }
+
+    /**
+     * Constructor for BrowserActionItem with only string and action provided.
+     * @param title The icon shown for a custom item.
+     * @param action The string shown for a custom item.
+     */
+    public BrowserActionItem(@NonNull String title, @NonNull PendingIntent action) {
+        this(title, action, null);
+    }
+
+    /**
+     * Sets the icon of a custom item.
+     * @param icon The icon for a custom item.
+     */
+    public void setIcon(Bitmap icon) {
+        mIcon = icon;
+    }
+
+    /**
+     * @return the icon of of a custom item.
+     */
+    public Bitmap getIcon() {
+        return mIcon;
+    }
+
+    /**
+     * @return the title of a custom item.
+     */
+    public String getTitle() {
+        return mTitle;
+    }
+
+    /**
+     * @return the action of a custom item.
+     */
+    public PendingIntent getAction() {
+        return mAction;
+    }
+}