[ios] TextBadgeView interface, implementation, and unit test stubs

ios/chrome/browser/ui/tools_menu/text_badge_view.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.
+
+#import "ios/chrome/browser/ui/tools_menu/text_badge_view.h"
+
+@interface TextBadgeView ()
+
+// TODO(helenlyang): add private properties and methods.

[edchin, 2017/06/26 22:24:08]

Let's not put TODOs like this in code.

+
+@end
+
+// This implementation is incomplete.

[edchin, 2017/06/26 22:24:08]

Remove this comment.

+@implementation TextBadgeView
+
+// TODO(helenlyang): implement this.
+- (instancetype)initWithFrame:(CGRect)frame displayText:(NSString*)text {
+  self = [super initWithFrame:frame];
+  return self;
+}
+
+// TODO(helenlyang): implement this.
+- (void)presentAnimated:(BOOL)animated {
+  return;

[rohitrao (ping after 24h), 2017/06/26 23:34:16]

No need for a return statement at the end of methods that return void.

+}
+
+@end