Remove auto raw pointer deduction from non-linux specific code.

ash/common/system/chromeos/palette/palette_tray.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/chromeos/palette/palette_tray.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/wm_shelf.h"
@@ skipping 64 matching lines @@
 
 class TitleView : public views::View, public views::ButtonListener {
  public:
   explicit TitleView(PaletteTray* palette_tray) : palette_tray_(palette_tray) {
     // TODO(tdanderson|jdufault): Use TriView to handle the layout of the title.
     // See crbug.com/614453.
     auto* box_layout =
         new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0);
     SetLayoutManager(box_layout);
 
-    auto title_label =
+    auto* title_label =
         new views::Label(l10n_util::GetStringUTF16(IDS_ASH_STYLUS_TOOLS_TITLE));
     title_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
     AddChildView(title_label);
     TrayPopupItemStyle style(TrayPopupItemStyle::FontStyle::TITLE);
     style.SetupLabel(title_label);
     box_layout->SetFlexForView(title_label, 1);
     if (MaterialDesignController::IsSystemTrayMenuMaterial()) {
       help_button_ =
           new SystemMenuButton(this, TrayPopupInkDropStyle::HOST_CENTERED,
                                kSystemMenuHelpIcon, IDS_ASH_STATUS_TRAY_HELP);
@@ skipping 334 matching lines @@
     UpdateIconVisibility();
   }
 }
 
 void PaletteTray::UpdateIconVisibility() {
   SetVisible(is_palette_enabled_ && palette_utils::HasStylusInput() &&
              IsInUserSession());
 }
 
 }  // namespace ash