For some vector icons, get the size from the vector definition.

chrome/browser/ui/views/infobars/infobar_view.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/infobars/infobar_view.h"
 
 #include <algorithm>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 207 matching lines @@
     if (!image.IsEmpty()) {
       icon_ = new views::ImageView;
       icon_->SetImage(image.ToImageSkia());
       icon_->SizeToPreferredSize();
       AddChildView(icon_);
     }
 
     close_button_ = new views::ImageButton(this);
 
     if (ui::MaterialDesignController::IsModeMaterial()) {
-      gfx::ImageSkia image = gfx::CreateVectorIcon(gfx::VectorIconId::BAR_CLOSE,
-                                                   16, gfx::kChromeIconGrey);
+      gfx::ImageSkia image = gfx::CreatePrimaryVectorIcon(
+          gfx::VectorIconId::BAR_CLOSE, gfx::kChromeIconGrey);
       close_button_->SetImage(views::CustomButton::STATE_NORMAL, &image);
     } else {
       ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
       close_button_->SetImage(views::CustomButton::STATE_NORMAL,
                               rb.GetImageNamed(IDR_CLOSE_1).ToImageSkia());
       close_button_->SetImage(views::CustomButton::STATE_HOVERED,
                               rb.GetImageNamed(IDR_CLOSE_1_H).ToImageSkia());
       close_button_->SetImage(views::CustomButton::STATE_PRESSED,
                               rb.GetImageNamed(IDR_CLOSE_1_P).ToImageSkia());
     }
@@ skipping 159 matching lines @@
 void InfoBarView::OnWillChangeFocus(View* focused_before, View* focused_now) {
   views::ExternalFocusTracker::OnWillChangeFocus(focused_before, focused_now);
 
   // This will trigger some screen readers to read the entire contents of this
   // infobar.
   if (focused_before && focused_now && !Contains(focused_before) &&
       Contains(focused_now)) {
     NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }