Start removing some pre-md constants and related code.

ash/common/system/tray/tray_popup_utils.cc

 // Copyright 2016 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 "ash/common/system/tray/tray_popup_utils.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "ash/common/ash_constants.h"
@@ skipping 155 matching lines @@
       CreateDefaultLayoutManager(TriView::Container::CENTER));
   tri_view->SetContainerLayout(
       TriView::Container::END,
       CreateDefaultLayoutManager(TriView::Container::END));
 
   return tri_view;
 }
 
 TriView* TrayPopupUtils::CreateSubHeaderRowView() {
   TriView* tri_view = CreateMultiTargetRowView();
-  tri_view->SetInsets(
-      gfx::Insets(0, kTrayPopupPaddingHorizontal, 0,
-                  GetTrayConstant(TRAY_POPUP_ITEM_RIGHT_INSET)));
+  tri_view->SetInsets(gfx::Insets(0, kTrayPopupPaddingHorizontal, 0, 0));
   tri_view->SetContainerVisible(TriView::Container::START, false);
   tri_view->SetContainerLayout(
       TriView::Container::END,
       CreateDefaultLayoutManager(TriView::Container::END));
   return tri_view;
 }
 
 TriView* TrayPopupUtils::CreateMultiTargetRowView() {
   TriView* tri_view = new TriView(0 /* padding_between_items */);
 
   tri_view->SetInsets(
-      gfx::Insets(0, GetTrayConstant(TRAY_POPUP_ITEM_LEFT_INSET), 0,
-                  GetTrayConstant(TRAY_POPUP_ITEM_RIGHT_INSET)));
+      gfx::Insets(0, GetTrayConstant(TRAY_POPUP_ITEM_LEFT_INSET), 0, 0));
 
   ConfigureDefaultSizeAndFlex(tri_view, TriView::Container::START);
   ConfigureDefaultSizeAndFlex(tri_view, TriView::Container::CENTER);
   ConfigureDefaultSizeAndFlex(tri_view, TriView::Container::END);
 
   tri_view->SetContainerLayout(TriView::Container::START,
                                base::MakeUnique<views::FillLayout>());
   tri_view->SetContainerLayout(TriView::Container::CENTER,
                                base::MakeUnique<views::FillLayout>());
   tri_view->SetContainerLayout(TriView::Container::END,
@@ skipping 236 matching lines @@
 bool TrayPopupUtils::CanOpenWebUISettings(LoginStatus status) {
   // TODO(tdanderson): Consider moving this into WmShell, or introduce a
   // CanShowSettings() method in each delegate type that has a
   // ShowSettings() method.
   return status != LoginStatus::NOT_LOGGED_IN &&
          status != LoginStatus::LOCKED &&
          !WmShell::Get()->GetSessionStateDelegate()->IsInSecondaryLoginScreen();
 }
 
 }  // namespace ash