Interface Builder View Controller That Automatically Resizes to its Container

gistfile1.xml

<scene sceneID="v5c-aN-zd9">
    <objects>
        <viewController id="JHA-3b-Fah" sceneMemberID="viewController">
            <view key="view" opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="redraw" id="iNd-Pp-gkg">
                <rect key="frame" x="0.0" y="0.0" width="280" height="150"/>
                <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                <subviews>
                    <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="First View Controller" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="di2-sr-QZd">
                        <fontDescription key="fontDescription" type="system" pointSize="17"/>
                        <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                        <nil key="highlightedColor"/>
                    </label>
                </subviews>
                <color key="backgroundColor" red="0.79037786990000003" green="0.78934041239999997" blue="0.42745200189999999" alpha="1" colorSpace="calibratedRGB"/>
                <constraints>
                    <constraint firstAttribute="centerX" secondItem="di2-sr-QZd" secondAttribute="centerX" type="user" id="EmI-YG-gD4"/>
                    <constraint firstAttribute="centerY" secondItem="di2-sr-QZd" secondAttribute="centerY" type="user" id="kQH-xu-Ia0"/>
                </constraints>
            </view>
            <toolbarItems/>
            <nil key="simulatedStatusBarMetrics"/>
            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
        </viewController>
        <placeholder placeholderIdentifier="IBFirstResponder" id="bxC-dN-Hh4" userLabel="First Responder" sceneMemberID="firstResponder"/>
    </objects>
    <point key="canvasLocation" x="933" y="489"/>
</scene>