[CRD iOS] Fix color scheme and other UI issues

remoting/ios/app/remoting_theme.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.
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+#import "remoting/ios/app/remoting_theme.h"
+
+@implementation RemotingTheme
+
++ (UIColor*)hostListBackgroundColor {
+  static UIColor* color;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    color = [UIColor colorWithRed:0.11f green:0.23f blue:0.66f alpha:1.f];
+  });
+  return color;
+}
+
++ (UIColor*)connectionViewBackgroundColor {
+  static UIColor* color;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    color = [UIColor colorWithRed:0.06f green:0.12f blue:0.33f alpha:1.f];
+  });
+  return color;
+}
+
++ (UIColor*)onlineHostColor {
+  static UIColor* color;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    color = [UIColor colorWithRed:0.20f green:0.70f blue:0.20f alpha:1.f];
+  });
+  return color;
+}
+
++ (UIColor*)offlineHostColor {
+  static UIColor* color;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    color = [UIColor colorWithRed:0.75f green:0.75f blue:0.75f alpha:1.f];
+  });
+  return color;
+}
+
+@end