[Clean Skeleton] Fix menu dismiss and positions.

ios/clean/chrome/browser/ui/tools/menu_view_controller.mm

Index: ios/clean/chrome/browser/ui/tools/menu_view_controller.mm
diff --git a/ios/clean/chrome/browser/ui/tools/menu_view_controller.mm b/ios/clean/chrome/browser/ui/tools/menu_view_controller.mm
index 4272d9a63af461a681f81c564c1970eefdb458fe..99d8d9c74af4f6f0a7a2bd28108878b142f525d6 100644
--- a/ios/clean/chrome/browser/ui/tools/menu_view_controller.mm
+++ b/ios/clean/chrome/browser/ui/tools/menu_view_controller.mm
@@ -17,25 +17,62 @@
 #error "This file requires ARC support."
 #endif
 
+namespace {
+const CGFloat kMenuWidth = 250;
+const CGFloat kMenuItemHeight = 44;
+}
+
+// Placeholder model for menu item configuration.
+@interface MenuItem : NSObject
+@property(nonatomic, copy) NSString* title;
+@property(nonatomic) SEL action;
+@end
+
+@implementation MenuItem
+@synthesize title = _title;
+@synthesize action = _action;
+@end
+
+@interface MenuViewController ()
+@property(nonatomic, readonly) NSArray<MenuItem*>* menuItems;
+@end
+
 @implementation MenuViewController
+@synthesize menuItems = _menuItems;
 
-- (void)viewDidLoad {
+- (instancetype)init {
+  if ((self = [super init])) {
+    _menuItems = @[
+      [[MenuItem alloc] init], [[MenuItem alloc] init], [[MenuItem alloc] init],
+      [[MenuItem alloc] init]
+    ];
+
+    _menuItems[0].title = @"New Tab";
+
+    _menuItems[1].title = @"Find in Page…";
+
+    _menuItems[2].title = @"Request Desktop Site";
+
+    _menuItems[3].title = @"Settings";
+    _menuItems[3].action = @selector(showSettings:);
+  }
+  return self;
+}
+
+- (void)loadView {
+  CGRect frame;
+  frame.size = CGSizeMake(kMenuWidth, kMenuItemHeight * _menuItems.count);
+  frame.origin = CGPointZero;
+  self.view = [[UIView alloc] initWithFrame:frame];
   self.view.backgroundColor = [UIColor whiteColor];
-  struct MenuItem {
-    NSString* title;
-    SEL action;
-  };
-  MenuItem menuItems[] = {
-      {@"New Tab", nullptr},
-      {@"Find in Page…", nullptr},
-      {@"Request Desktop Site", nullptr},
-      {@"Settings", @selector(showSettings:)},
-  };
+  self.view.autoresizingMask = UIViewAutoresizingNone;
+}
+
+- (void)viewDidLoad {
   NSMutableArray<UIButton*>* buttons =
-      [[NSMutableArray alloc] initWithCapacity:arraysize(menuItems)];
+      [[NSMutableArray alloc] initWithCapacity:_menuItems.count];
 
-  for (size_t i = 0; i < arraysize(menuItems); ++i) {
-    const MenuItem& item = menuItems[i];
+  for (MenuItem* item in _menuItems) {
     UIButton* menuButton = [UIButton buttonWithType:UIButtonTypeSystem];
     menuButton.translatesAutoresizingMaskIntoConstraints = NO;
     [menuButton setTitle:item.title forState:UIControlStateNormal];