Remove the cookie prompt from the settings UI and migrate prefs from ask to block.

chrome/browser/cocoa/content_settings_dialog_controller.mm

 // Copyright (c) 2010 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/cocoa/content_settings_dialog_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "app/l10n_util.h"
 #include "base/mac_util.h"
@@ skipping 216 matching lines @@
 
 // Let esc close the window.
 - (void)cancel:(id)sender {
   [self close];
 }
 
 - (void)setCookieSettingIndex:(NSInteger)value {
   ContentSetting setting = CONTENT_SETTING_DEFAULT;
   switch (value) {
     case kCookieEnabledIndex:  setting = CONTENT_SETTING_ALLOW; break;
-    case kCookieAskIndex:      setting = CONTENT_SETTING_ASK;   break;
     case kCookieDisabledIndex: setting = CONTENT_SETTING_BLOCK; break;
     default:
       NOTREACHED();
   }
   ContentSettingsDialogControllerInternal::PrefObserverDisabler
       disabler(observer_.get());
   profile_->GetHostContentSettingsMap()->SetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_COOKIES,
       setting);
 }
 
 - (NSInteger)cookieSettingIndex {
   switch (profile_->GetHostContentSettingsMap()->GetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_COOKIES)) {
-    case CONTENT_SETTING_ALLOW: return kCookieEnabledIndex;
-    case CONTENT_SETTING_ASK:   return kCookieAskIndex;
-    case CONTENT_SETTING_BLOCK: return kCookieDisabledIndex;
+    case CONTENT_SETTING_ALLOW:        return kCookieEnabledIndex;
+    case CONTENT_SETTING_BLOCK:        return kCookieDisabledIndex;
     default:
       NOTREACHED();
       return kCookieEnabledIndex;
   }
 }
 
 - (BOOL)blockThirdPartyCookies {
   HostContentSettingsMap* settingsMap = profile_->GetHostContentSettingsMap();
   return settingsMap->BlockThirdPartyCookies();
 }
@@ skipping 254 matching lines @@
     [self willChangeValueForKey:@"geolocationSettingIndex"];
     [self didChangeValueForKey:@"geolocationSettingIndex"];
   }
   if (*prefName == prefs::kDesktopNotificationDefaultContentSetting) {
     [self willChangeValueForKey:@"notificationsSettingIndex"];
     [self didChangeValueForKey:@"notificationsSettingIndex"];
   }
 }
 
 @end