Implemented find on page UI

App/Document Controls UI/FontSizeAdjustView.swift

@@ -7,14 +7,14 @@
 
 import UIKit
 
-class FontSizeAdjustView: UIView
+class FontSizeAdjustView: DocumentControlView
 {
     let decreaseSizeButton = UIButton(frame: .zero)
     let increaseSizeButton = UIButton(frame: .zero)
     let labelView = UILabel(frame: .zero)
     
-    convenience init() {
-        self.init(frame: .zero)
+    override init() {
+        super.init()
         
         labelView.textColor = .secondaryLabel
         labelView.textAlignment = .center
@@ -30,13 +30,15 @@ class FontSizeAdjustView: UIView
         addSubview(labelView)
     }
     
-    override func sizeThatFits(_ size: CGSize) -> CGSize {
-        CGSize(width: size.width, height: DocumentControlViewController.controlHeight)
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
     }
     
     override func layoutSubviews() {
         super.layoutSubviews()
         
+        highlightView.isHidden = true
+        
         decreaseSizeButton.frame = CGRect(
             x: 0.0, y: 0.0,
             width: bounds.height,