Mac: Replace uses of deprecated NSNoUnderlineStyle and NSSingleUnderlineStyle

ui/base/cocoa/controls/hyperlink_text_view_unittest.mm

 // Copyright (c) 2011 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.
 
 #include "base/mac/scoped_nsobject.h"
 #include "testing/gtest_mac.h"
 #import "ui/base/cocoa/controls/hyperlink_text_view.h"
 #import "ui/gfx/test/ui_cocoa_test_helper.h"
 
 namespace {
@@ skipping 22 matching lines @@
       NSBaselineOffsetAttributeName : @(kTextBaselineShift)
     };
   }
 
   NSMutableDictionary* GetDefaultLinkAttributes() {
     if (!linkAttributes_.get()) {
       linkAttributes_.reset(
           [[NSMutableDictionary dictionaryWithDictionary:
               GetDefaultTextAttributes()] retain]);
       [linkAttributes_ addEntriesFromDictionary:@{
-          NSForegroundColorAttributeName : [NSColor blueColor],
-          NSUnderlineStyleAttributeName : @(YES),
-          NSCursorAttributeName : [NSCursor pointingHandCursor],
-          NSUnderlineStyleAttributeName : @(NSSingleUnderlineStyle),
-          NSLinkAttributeName : @""}];
+        NSForegroundColorAttributeName : [NSColor blueColor],
+        NSUnderlineStyleAttributeName : @(YES),
+        NSCursorAttributeName : [NSCursor pointingHandCursor],
+        NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle),
+        NSLinkAttributeName : @""
+      }];
     }
     return [NSMutableDictionary dictionaryWithDictionary:linkAttributes_];
   }
 
   HyperlinkTextView* view_;
 
  private:
   base::scoped_nsobject<NSMutableDictionary> linkAttributes_;
 };
 
@@ skipping 72 matching lines @@
 
 TEST_F(HyperlinkTextViewTest, FirstResponderBehavior) {
   // By default, accept.
   EXPECT_TRUE([view_ acceptsFirstResponder]);
 
   [view_ setRefusesFirstResponder:YES];
   EXPECT_FALSE([view_ acceptsFirstResponder]);
 }
 
 }  // namespace