Implement the new Photo picker, part two.

chrome/android/java/res/layout/picker_category_view.xml

Index: chrome/android/java/res/layout/picker_category_view.xml
diff --git a/chrome/android/java/res/layout/picker_category_view.xml b/chrome/android/java/res/layout/picker_category_view.xml
new file mode 100644
index 0000000000000000000000000000000000000000..25430e5427cdacbcfc8324273f7030e02f974ed7
--- /dev/null
+++ b/chrome/android/java/res/layout/picker_category_view.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scrollbars="none" />
+</LinearLayout>