[ios] Review fixes (night mode).

iphone/Maps/Categories/UIKitCategories.mm

@@ -225,9 +225,7 @@
 - (void)refresh
 {
   [super refresh];
-  UIColor * opposite = self.selectedBackgroundView.backgroundColor.opposite;
-  if (opposite)
-    self.selectedBackgroundView.backgroundColor = opposite;
+  [self.selectedBackgroundView refresh];
 }
 
 @end
@@ -305,11 +303,9 @@
 
 - (void)refresh
 {
-  UIColor * oppositeBackground = self.backgroundColor.opposite;
+  [super refresh];
   UIColor * oppositeText = self.textColor.opposite;
   UIColor * oppositeTint = self.tintColor.opposite;
-  if (oppositeBackground)
-    self.backgroundColor = oppositeBackground;
   if (oppositeText)
     self.textColor = oppositeText;
   if (oppositeTint)
@@ -322,14 +318,12 @@
 
 - (void)refresh
 {
+  [super refresh];
   UIColor * oppositeText = self.textColor.opposite;
-  UIColor * oppositeBackground = self.backgroundColor.opposite;
   UILabel * placeholder = [self valueForKey:@"_placeholderLabel"];
   UIColor * oppositePlaceholder = placeholder.textColor.opposite;
   if (oppositeText)
     self.textColor = oppositeText;
-  if (oppositeBackground)
-    self.backgroundColor = oppositeBackground;
   if (oppositePlaceholder)
     placeholder.textColor = oppositePlaceholder;
 }

iphone/Maps/Classes/CustomViews/MapViewControls/MWMMapViewControlsManager.h

@@ -19,8 +19,6 @@
 - (instancetype)init __attribute__((unavailable("init is not available")));
 - (instancetype)initWithParentController:(MapViewController *)controller;
 
-- (void)onEnterForeground;
-
 #pragma mark - Layout
 
 - (void)refreshLayout;

iphone/Maps/Classes/MapViewController.mm

@@ -392,11 +392,6 @@ typedef NS_ENUM(NSUInteger, UserTouchesAction)
     return;
   // Notify about entering foreground (should be called on the first launch too).
   GetFramework().EnterForeground();
-
-  if (self.isViewLoaded && self.view.window)
-  {
-    [self.controlsManager onEnterForeground];
-  }
 }
 
 - (void)viewWillAppear:(BOOL)animated

iphone/Maps/UIColor+MapsMeColor.mm

@@ -41,10 +41,10 @@ NSDictionary<NSString *, UIColor *> * night =
   @"blackSecondaryText" : [UIColor colorWithWhite:1. alpha:alpha70],
   @"blackHintText" : [UIColor colorWithWhite:1. alpha:alpha30],
   @"blackDividers" : [UIColor colorWithWhite:1. alpha:alpha12],
-  @"white" : [UIColor colorWithRed:scaled(60) green:scaled(64) blue:scaled(68) alpha:alpha100],
+  @"white" : [UIColor colorWithRed:scaled(60.) green:scaled(64.) blue:scaled(68.) alpha:alpha100],
   @"whiteSecondaryText" : [UIColor colorWithWhite:1. alpha:alpha70],
   @"buttonDisabledBlueText" : [UIColor colorWithRed:scaled(255.) green:scaled(230.) blue:scaled(140.) alpha:alpha30],
-  @"alertBackground" : [UIColor colorWithRed:scaled(60) green:scaled(64) blue:68 alpha:alpha100]
+  @"alertBackground" : [UIColor colorWithRed:scaled(60.) green:scaled(64.) blue:scaled(68.) alpha:alpha100]
 };
 
 NSDictionary<NSString *, UIColor *> * day =