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

chrome/browser/ui/views/frame/browser_non_client_frame_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/frame/browser_non_client_frame_view.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/avatar_menu.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 39 matching lines @@
   }
 }
 
 void BrowserNonClientFrameView::OnBrowserViewInitViewsComplete() {}
 
 gfx::ImageSkia BrowserNonClientFrameView::GetOTRAvatarIcon() const {
   if (!ui::MaterialDesignController::IsModeMaterial())
     return *GetThemeProviderForProfile()->GetImageSkiaNamed(IDR_OTR_ICON);
   const SkColor icon_color = color_utils::PickContrastingColor(
       SK_ColorWHITE, gfx::kChromeIconGrey, GetFrameColor());
-  return gfx::CreateVectorIcon(gfx::VectorIconId::INCOGNITO, 24, icon_color);
+  return gfx::CreateVectorIcon(gfx::VectorIconId::INCOGNITO, icon_color);
 }
 
 SkColor BrowserNonClientFrameView::GetToolbarTopSeparatorColor() const {
   const auto color_id =
       ShouldPaintAsActive()
           ? ThemeProperties::COLOR_TOOLBAR_TOP_SEPARATOR
           : ThemeProperties::COLOR_TOOLBAR_TOP_SEPARATOR_INACTIVE;
   return ShouldPaintAsThemed() ? GetThemeProvider()->GetColor(color_id)
                                : ThemeProperties::GetDefaultColor(
                                      color_id, browser_view_->IsOffTheRecord());
@@ skipping 195 matching lines @@
       const ProfileAttributesStorage& storage =
           g_browser_process->profile_manager()->GetProfileAttributesStorage();
       show_decoration = show_decoration && storage.GetNumberOfProfiles() > 1;
     }
     chrome::DrawTaskbarDecoration(frame_->GetNativeWindow(),
         show_decoration
             ? (taskbar_badge_avatar.IsEmpty() ? &avatar : &taskbar_badge_avatar)
             : nullptr);
   }
 }