Removed NativeAppsCollectionViewController and related code.

ios/chrome/browser/ui/settings/cells/native_app_item.mm

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "ios/chrome/browser/ui/settings/cells/native_app_item.h"
-
-#import <QuartzCore/QuartzCore.h>
-
-#import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
-#include "ios/chrome/grit/ios_strings.h"
-#import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
-#import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
-#import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
-#include "ui/base/l10n/l10n_util_mac.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-
-// Padding used on the leading and trailing edges of the cell.
-const CGFloat kHorizontalPadding = 16;
-
-// Icon rounded corner radius.
-const CGFloat kIconCornerRadius = 5.088;
-
-// Icon size.
-const CGFloat kIconSize = 29;
-
-// Placeholder icon for native app cells.
-UIImage* PlaceholderIcon() {
-  return [UIImage imageNamed:@"app_icon_placeholder"];
-}
-
-}  // namespace
-
-@implementation NativeAppItem
-
-@synthesize name = _name;
-@synthesize icon = _icon;
-@synthesize state = _state;
-
-- (instancetype)initWithType:(NSInteger)type {
-  self = [super initWithType:type];
-  if (self) {
-    self.cellClass = [NativeAppCell class];
-  }
-  return self;
-}
-
-#pragma mark CollectionViewItem
-
-- (void)configureCell:(NativeAppCell*)cell {
-  [super configureCell:cell];
-  cell.nameLabel.text = self.name;
-  if (self.icon) {
-    cell.iconImageView.image = self.icon;
-  }
-  [cell updateWithState:self.state];
-}
-
-@end
-
-@implementation NativeAppCell
-
-@synthesize nameLabel = _nameLabel;
-@synthesize iconImageView = _iconImageView;
-@synthesize switchControl = _switchControl;
-@synthesize installButton = _installButton;
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  self = [super initWithFrame:frame];
-  if (self) {
-    UIView* contentView = self.contentView;
-    self.isAccessibilityElement = YES;
-
-    _iconImageView = [[UIImageView alloc] init];
-    _iconImageView.translatesAutoresizingMaskIntoConstraints = NO;
-    _iconImageView.image = PlaceholderIcon();
-    _iconImageView.layer.cornerRadius = kIconCornerRadius;
-    _iconImageView.layer.masksToBounds = YES;
-    self.layer.shouldRasterize = YES;
-    self.layer.rasterizationScale = [[UIScreen mainScreen] scale];
-    [contentView addSubview:_iconImageView];
-
-    _nameLabel = [[UILabel alloc] init];
-    _nameLabel.translatesAutoresizingMaskIntoConstraints = NO;
-    [contentView addSubview:_nameLabel];
-
-    _nameLabel.font = [[MDCTypography fontLoader] mediumFontOfSize:14];
-    _nameLabel.textColor = [[MDCPalette greyPalette] tint900];
-
-    _switchControl = [[UISwitch alloc] init];
-    _switchControl.onTintColor = [[MDCPalette cr_bluePalette] tint500];
-
-    _installButton = [[MDCFlatButton alloc] init];
-    _installButton.translatesAutoresizingMaskIntoConstraints = NO;
-    _installButton.customTitleColor = [[MDCPalette cr_bluePalette] tint500];
-    [_installButton
-        setTitle:l10n_util::GetNSString(IDS_IOS_GOOGLE_APPS_INSTALL_BUTTON)
-        forState:UIControlStateNormal];
-    [_installButton setTitle:@"" forState:UIControlStateDisabled];
-    _installButton.accessibilityHint = l10n_util::GetNSString(
-        IDS_IOS_GOOGLE_APPS_INSTALL_BUTTON_ACCESSIBILITY_HINT);
-
-    // Set up the constraints.
-    [NSLayoutConstraint activateConstraints:@[
-      [_iconImageView.leadingAnchor
-          constraintEqualToAnchor:contentView.leadingAnchor
-                         constant:kHorizontalPadding],
-      [_iconImageView.trailingAnchor
-          constraintEqualToAnchor:_nameLabel.leadingAnchor
-                         constant:-kHorizontalPadding],
-      [_iconImageView.widthAnchor constraintEqualToConstant:kIconSize],
-      [_iconImageView.heightAnchor constraintEqualToConstant:kIconSize],
-      [_nameLabel.trailingAnchor
-          constraintEqualToAnchor:contentView.trailingAnchor
-                         constant:-kHorizontalPadding],
-      [_iconImageView.centerYAnchor
-          constraintEqualToAnchor:contentView.centerYAnchor],
-      [_nameLabel.centerYAnchor
-          constraintEqualToAnchor:contentView.centerYAnchor],
-      [_installButton.widthAnchor constraintGreaterThanOrEqualToConstant:79],
-      [_installButton.widthAnchor constraintLessThanOrEqualToConstant:127],
-    ]];
-  }
-  return self;
-}
-
-- (void)updateWithState:(NativeAppItemState)state {
-  switch (state) {
-    case NativeAppItemSwitchOn:
-      self.switchControl.on = YES;
-      self.accessoryView = self.switchControl;
-      break;
-    case NativeAppItemSwitchOff:
-      self.switchControl.on = NO;
-      self.accessoryView = self.switchControl;
-      break;
-    case NativeAppItemInstall:
-      self.accessoryView = self.installButton;
-      break;
-  }
-}
-
-- (void)prepareForReuse {
-  [super prepareForReuse];
-  [self.switchControl removeTarget:nil
-                            action:nil
-                  forControlEvents:[self.switchControl allControlEvents]];
-  self.switchControl.tag = 0;
-  [self.installButton removeTarget:nil
-                            action:nil
-                  forControlEvents:[self.installButton allControlEvents]];
-  self.iconImageView.image = PlaceholderIcon();
-  self.iconImageView.tag = 0;
-}
-
-#pragma mark - UIAccessibility
-
-- (CGPoint)accessibilityActivationPoint {
-  // Activate over the accessory view.
-  CGRect accessoryViewFrame = UIAccessibilityConvertFrameToScreenCoordinates(
-      [self.accessoryView frame], self);
-  return CGPointMake(CGRectGetMidX(accessoryViewFrame),
-                     CGRectGetMidY(accessoryViewFrame));
-}
-
-- (NSString*)accessibilityHint {
-  return [self.accessoryView accessibilityHint];
-}
-
-- (NSString*)accessibilityValue {
-  if (self.accessoryView == self.switchControl) {
-    if (self.switchControl.on) {
-      return [NSString
-          stringWithFormat:@"%@, %@", self.nameLabel.text,
-                           l10n_util::GetNSString(IDS_IOS_SETTING_ON)];
-    } else {
-      return [NSString
-          stringWithFormat:@"%@, %@", self.nameLabel.text,
-                           l10n_util::GetNSString(IDS_IOS_SETTING_OFF)];
-    }
-  }
-
-  return [NSString stringWithFormat:@"%@, %@", self.nameLabel.text,
-                                    l10n_util::GetNSString(
-                                        IDS_IOS_GOOGLE_APPS_INSTALL_BUTTON)];
-}
-
-@end