Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.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/content_settings/content_setting_bubble_cocoa.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 245 matching lines @@
     {CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS, @"ContentProtocolHandlers"},
     {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, @"ContentBlockedDownloads"},
     {CONTENT_SETTINGS_TYPE_MIDI_SYSEX, @"ContentBlockedMIDISysEx"},
 };
 
 - (id)initWithModel:(ContentSettingBubbleModel*)contentSettingBubbleModel
         webContents:(content::WebContents*)webContents
        parentWindow:(NSWindow*)parentWindow
          anchoredAt:(NSPoint)anchoredAt {
   // This method takes ownership of |contentSettingBubbleModel| in all cases.
-  scoped_ptr<ContentSettingBubbleModel> model(contentSettingBubbleModel);
+  std::unique_ptr<ContentSettingBubbleModel> model(contentSettingBubbleModel);
   DCHECK(model.get());
   observerBridge_.reset(
     new ContentSettingBubbleWebContentsObserverBridge(webContents, self));
 
   NSString* nibPath = @"";
 
   ContentSettingSimpleBubbleModel* simple_bubble = model->AsSimpleBubbleModel();
   if (simple_bubble) {
     ContentSettingsType settingsType = simple_bubble->content_type();
 
@@ skipping 569 matching lines @@
       button, base::SysUTF16ToNSString(it->second->model->GetLabelAt(index)));
 
   it->second->model->ExecuteCommand(index, 0);
 }
 
 - (content_setting_bubble::MediaMenuPartsMap*)mediaMenus {
   return &mediaMenus_;
 }
 
 @end  // ContentSettingBubbleController