[Mac] Website settings: Implement custom tab appearance.

chrome/browser/ui/cocoa/website_settings_bubble_controller_unittest.mm

 // Copyright (c) 2012 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 "chrome/browser/ui/cocoa/website_settings_bubble_controller.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "testing/gtest_mac.h"
 
@@ skipping 74 matching lines @@
 
   // Return a pointer to the first NSTextField found that either matches, or
   // doesn't match, the given text.
   NSTextField* FindTextField(MatchType match_type, NSString* text) {
     // The window's only immediate child is an invisible view that has a flipped
     // coordinate origin. It is into this that all views get placed.
     NSArray* window_subviews = [[window_ contentView] subviews];
     EXPECT_EQ(1U, [window_subviews count]);
     NSArray* subviews = [[window_subviews lastObject] subviews];
 
-    // Expect 3 views: the identity, identity status, and the tab view.
-    EXPECT_EQ(3U, [subviews count]);
+    // Expect 4 views: the identity, identity status, the segmented control
+    // (which implements the tab strip), and the tab view.
+    EXPECT_EQ(4U, [subviews count]);
 
     bool desired_result = match_type == TEXT_EQUAL;
 
     for (NSView* view in subviews) {
       if ([view isKindOfClass:[NSTextField class]]) {
         NSTextField* text_field = static_cast<NSTextField*>(view);
         if ([[text_field stringValue] isEqual:text] == desired_result)
           return text_field;
       }
     }
@@ skipping 129 matching lines @@
   [button selectItemAtIndex:kMenuIndexContentSettingDefault];
   [controller_ permissionValueChanged:button];
   EXPECT_NSNE(original_title, [[[button cell] menuItem] title]);
 
   [button selectItemAtIndex:kMenuIndexContentSettingAllow];
   [controller_ permissionValueChanged:button];
   EXPECT_NSEQ(original_title, [[[button cell] menuItem] title]);
 }
 
 }  // namespace