[Mac, Win] The fast user switcher should use the small, non-high res default avatars

chrome/browser/ui/views/profiles/profile_chooser_view.cc

 // Copyright 2014 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/profiles/profile_chooser_view.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
@@ skipping 1229 matching lines @@
     const Indexes& avatars_to_show) {
   views::View* view = new views::View();
   views::GridLayout* layout = CreateSingleColumnLayout(view, kFixedMenuWidth);
 
   int num_avatars_to_show = avatars_to_show.size();
   for (int i = 0; i < num_avatars_to_show; ++i) {
     const size_t index = avatars_to_show[i];
     const AvatarMenu::Item& item = avatar_menu_->GetItemAt(index);
     const int kSmallImageSide = 32;
 
+    // Use the low-res, small default avatars in the fast user switcher, like
+    // we do in the menu bar.
+    gfx::Image item_icon;
+    bool is_rectangle;
+    AvatarMenu::GetImageForMenuButton(
+        item.profile_path, &item_icon, &is_rectangle);
+
     gfx::Image image = profiles::GetSizedAvatarIcon(
-        item.icon, true, kSmallImageSide, kSmallImageSide);
+        item_icon, true, kSmallImageSide, kSmallImageSide);
 
     views::LabelButton* button = new BackgroundColorHoverButton(
         this,
         item.name,
         *image.ToImageSkia());
     open_other_profile_indexes_map_[button] = index;
 
     layout->StartRow(1, 0);
     layout->AddView(new views::Separator(views::Separator::HORIZONTAL));
     layout->StartRow(1, 0);
@@ skipping 406 matching lines @@
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognito_available && !browser_->profile()->IsGuestSession();
 }
 
 void ProfileChooserView::PostActionPerformed(
     ProfileMetrics::ProfileDesktopMenu action_performed) {
   ProfileMetrics::LogProfileDesktopMenu(action_performed, gaia_service_type_);
   gaia_service_type_ = signin::GAIA_SERVICE_TYPE_NONE;
 }