views: Make View::set_border() take a scoped_ptr<>.

chrome/browser/ui/views/tabs/tab.cc

 // 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.
 
 #include "chrome/browser/ui/views/tabs/tab.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 761 matching lines @@
 void Tab::Layout() {
   gfx::Rect lb = GetContentsBounds();
   if (lb.IsEmpty())
     return;
   lb.Inset(
       left_padding(), top_padding(), right_padding(), bottom_padding());
 
   // The height of the content of the Tab is the largest of the favicon,
   // the title text and the close button graphic.
   int content_height = std::max(tab_icon_size(), font_height_);
-  close_button_->set_border(NULL);
+  close_button_->ClearBorder();
   gfx::Size close_button_size(close_button_->GetPreferredSize());
   content_height = std::max(content_height, close_button_size.height());
 
   // Size the Favicon.
   showing_icon_ = ShouldShowIcon();
   if (showing_icon_) {
     // Use the size of the favicon as apps use a bigger favicon size.
     int favicon_top = top_padding() + content_height / 2 - tab_icon_size() / 2;
     int favicon_left = lb.x();
     favicon_bounds_.SetRect(favicon_left, favicon_top,
@@ skipping 18 matching lines @@
     // edges of the tab. However, the larger hit-target should be active only
     // for mouse events, and the close-image should show up in the right place.
     // So a border is added to the button with necessary padding. The close
     // button (BaseTab::TabCloseButton) makes sure the padding is a hit-target
     // only for touch events.
     int top_border = close_button_top;
     int bottom_border = height() - (close_button_size.height() + top_border);
     int left_border = kCloseButtonHorzFuzz;
     int right_border = width() - (lb.width() + close_button_size.width() +
         left_border);
-    close_button_->set_border(views::Border::CreateEmptyBorder(top_border,
+    close_button_->SetBorder(views::Border::CreateEmptyBorder(top_border,
         left_border, bottom_border, right_border));
     close_button_->SetPosition(gfx::Point(lb.width(), 0));
     close_button_->SizeToPreferredSize();
     close_button_->SetVisible(true);
   } else {
     close_button_->SetBounds(0, 0, 0, 0);
     close_button_->SetVisible(false);
   }
 
   showing_media_indicator_ = ShouldShowMediaIndicator();
@@ skipping 932 matching lines @@
                          const gfx::ImageSkia& image) {
   DCHECK_NE(scale_factor, ui::SCALE_FACTOR_NONE);
   ImageCacheEntry entry;
   entry.resource_id = resource_id;
   entry.scale_factor = scale_factor;
   entry.image = image;
   image_cache_->push_front(entry);
   if (image_cache_->size() > kMaxImageCacheSize)
     image_cache_->pop_back();
 }