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

ash/common/system/chromeos/tray_tracing.cc

Index: ash/common/system/chromeos/tray_tracing.cc
diff --git a/ash/common/system/chromeos/tray_tracing.cc b/ash/common/system/chromeos/tray_tracing.cc
index c15bf2e6a297b53156691622e075dfebb8d8955a..15a7eae5c82a7c6b1dc077456854dbadd1f5abe7 100644
--- a/ash/common/system/chromeos/tray_tracing.cc
+++ b/ash/common/system/chromeos/tray_tracing.cc
@@ -35,10 +35,10 @@ class DefaultTracingView : public ActionableView {
     TriView* tri_view = TrayPopupUtils::CreateDefaultRowView();
     AddChildView(tri_view);
 
-    auto image = TrayPopupUtils::CreateMainImageView();
+    auto* image = TrayPopupUtils::CreateMainImageView();
     tri_view->AddView(TriView::Container::START, image);
 
-    auto label = TrayPopupUtils::CreateDefaultLabel();
+    auto* label = TrayPopupUtils::CreateDefaultLabel();
     label->SetMultiLine(true);
     label->SetText(l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_TRACING));
     tri_view->AddView(TriView::Container::CENTER, label);