Added VR libraries

Assets/GoogleVR/Editor/EventSystem/GvrPointerScrollInputEditor.cs

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+// Copyright 2017 Google Inc. All rights reserved.
+//
+// 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.
+
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEditor;
+
+[CustomPropertyDrawer(typeof(GvrPointerScrollInput), true)]
+public class GvrPointerScrollInputEditor : PropertyDrawer {
+  private bool isExpanded = true;
+
+  public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) {
+    EditorGUI.BeginProperty(position, label, property);
+
+    int rows = GetNumRows(property);
+    float totalHeight = position.height;
+    float rowHeight = totalHeight / rows;
+    position.height = rowHeight;
+
+    isExpanded = EditorGUI.Foldout(position, isExpanded, label);
+
+    if (isExpanded) {
+      EditorGUI.indentLevel++;
+
+      // Inertia property.
+      SerializedProperty inertia =
+        property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_INERTIA);
+
+      position.y += rowHeight;
+      EditorGUI.PropertyField(position, inertia);
+
+      if (inertia.boolValue) {
+        EditorGUI.indentLevel++;
+
+        // Deceleration rate property.
+        SerializedProperty decelerationRate =
+          property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_DECELERATION_RATE);
+
+        position.y += rowHeight;
+        EditorGUI.PropertyField(position, decelerationRate);
+
+        EditorGUI.indentLevel--;
+      }
+      EditorGUI.indentLevel--;
+    }
+
+    EditorGUI.EndProperty();
+  }
+
+  public override float GetPropertyHeight(SerializedProperty property, GUIContent label) {
+    return base.GetPropertyHeight(property, label) * GetNumRows(property);
+  }
+
+  private int GetNumRows(SerializedProperty property) {
+    SerializedProperty inertia =
+      property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_INERTIA);
+
+    if (!isExpanded) {
+      return 1;
+    } else if (!inertia.boolValue) {
+      return 2;
+    } else {
+      return 3;
+    }
+  }
+}

Assets/GoogleVR/Editor/EventSystem/GvrPointerScrollInputEditor.cs.meta

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+fileFormatVersion: 2
+guid: da538b2d940864934bfd4a6f2e6d0602
+timeCreated: 1487103089
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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