[CRD iOS] Finish up the host list UI

remoting/ios/app/remoting_view_controller.mm

 // Copyright 2017 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.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "remoting/ios/app/remoting_view_controller.h"
 
@@ skipping 50 matching lines @@
   if (self) {
     _remotingService = [RemotingService SharedInstance];
 
     _collectionViewController = collectionVC;
     _collectionViewController.flexHeaderContainerViewController = self;
     _collectionViewController.delegate = self;
 
     _appBar = [[MDCAppBar alloc] init];
     [self addChildViewController:_appBar.headerViewController];
 
-    _appBar.headerViewController.headerView.backgroundColor =
-        kChromotingBlueBackground;
-    _appBar.navigationBar.tintColor = [UIColor whiteColor];
+    self.navigationItem.title = @"Chrome Remote Desktop";
 
     UIBarButtonItem* menuButton =
-        [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"Settings"]
+        [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"ic_menu"]
                                          style:UIBarButtonItemStyleDone
                                         target:self
                                         action:@selector(didSelectSettings)];
     self.navigationItem.leftBarButtonItem = menuButton;
 
-    UIBarButtonItem* refreshButton =
-        [[UIBarButtonItem alloc] initWithTitle:@"Refresh"
-                                         style:UIBarButtonItemStyleDone
-                                        target:self
-                                        action:@selector(didSelectRefresh)];
+    UIBarButtonItem* refreshButton = [[UIBarButtonItem alloc]
+        initWithImage:[UIImage imageNamed:@"ic_refresh"]
+                style:UIBarButtonItemStyleDone
+               target:self
+               action:@selector(didSelectRefresh)];
     self.navigationItem.rightBarButtonItem = refreshButton;
+
+    _appBar.headerViewController.headerView.backgroundColor =
+        kChromotingBlueBackground;
+    _appBar.navigationBar.backgroundColor = kChromotingBlueBackground;
+    MDCNavigationBarTextColorAccessibilityMutator* mutator =
+        [[MDCNavigationBarTextColorAccessibilityMutator alloc] init];
+    [mutator mutate:_appBar.navigationBar];
   }
   return self;
 }
 
 #pragma mark - UIViewController
 
 - (void)viewDidLoad {
   [super viewDidLoad];
 
   UIImage* image = [UIImage imageNamed:@"Background"];
@@ skipping 159 matching lines @@
   MDCSnackbarMessage* message = [[MDCSnackbarMessage alloc] init];
   if (_isAuthenticated) {
     message.text = [NSString
         stringWithFormat:@"Currently signed in as %@.",
                          _remotingService.authentication.user.userEmail];
     [MDCSnackbarManager showMessage:message];
   }
 }
 
 @end