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

chrome/browser/ui/cocoa/extensions/browser_actions_container_view.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.
 
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_container_view.h"
 
 #include <algorithm>
 #include <utility>
 
 #import "chrome/browser/ui/cocoa/view_id_util.h"
@@ skipping 123 matching lines @@
 
   DCHECK_NE(BROWSER_ACTIONS_INVALID_KEY_ACTION, action);
   NSDictionary* userInfo = @{ kBrowserActionsContainerKeyEventKey : @(action) };
   [[NSNotificationCenter defaultCenter]
       postNotificationName:kBrowserActionsContainerReceivedKeyEvent
                     object:self
                     userInfo:userInfo];
   [super keyDown:theEvent];
 }
 
-- (void)setHighlight:(scoped_ptr<ui::NinePartImageIds>)highlight {
+- (void)setHighlight:(std::unique_ptr<ui::NinePartImageIds>)highlight {
   if (highlight || highlight_) {
     highlight_ = std::move(highlight);
     // We don't allow resizing when the container is highlighting.
     resizable_ = highlight.get() == nullptr;
     [self setNeedsDisplay:YES];
   }
 }
 
 - (BOOL)isHighlighting {
   return highlight_.get() != nullptr;
@@ skipping 184 matching lines @@
     retVal = [NSCursor resizeLeftRightCursor];
   }
   return retVal;
 }
 
 - (CGFloat)maxAllowedWidth {
   return delegate_ ? delegate_->GetMaxAllowedWidth() : CGFLOAT_MAX;
 }
 
 @end