Revert of Add a row in the network tray to inform users to turn Bluetooth on to enable Tether.

ash/system/tray/tray_details_view.cc

Index: ash/system/tray/tray_details_view.cc
diff --git a/ash/system/tray/tray_details_view.cc b/ash/system/tray/tray_details_view.cc
index 3f154afdf79cbbdd26c406432a929427e0aeaf21..f4507f0779185c5f8924c021d5a87d7975fa7729 100644
--- a/ash/system/tray/tray_details_view.cc
+++ b/ash/system/tray/tray_details_view.cc
@@ -237,6 +237,35 @@
 
 }  // namespace
 
+////////////////////////////////////////////////////////////////////////////////
+// TrayDetailsView::InfoLabel:
+
+TrayDetailsView::InfoLabel::InfoLabel(int message_id)
+    : label_(TrayPopupUtils::CreateDefaultLabel()) {
+  SetLayoutManager(new views::FillLayout);
+
+  TrayPopupItemStyle style(TrayPopupItemStyle::FontStyle::SYSTEM_INFO);
+  style.SetupLabel(label_);
+
+  TriView* tri_view = TrayPopupUtils::CreateMultiTargetRowView();
+  tri_view->SetInsets(gfx::Insets(0,
+                                  kMenuExtraMarginFromLeftEdge +
+                                      kTrayPopupPaddingHorizontal -
+                                      kTrayPopupLabelHorizontalPadding,
+                                  0, kTrayPopupPaddingHorizontal));
+  tri_view->SetContainerVisible(TriView::Container::START, false);
+  tri_view->SetContainerVisible(TriView::Container::END, false);
+  tri_view->AddView(TriView::Container::CENTER, label_);
+  AddChildView(tri_view);
+
+  SetMessage(message_id);
+}
+
+TrayDetailsView::InfoLabel::~InfoLabel() {}
+
+void TrayDetailsView::InfoLabel::SetMessage(int message_id) {
+  label_->SetText(l10n_util::GetStringUTF16(message_id));
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // TrayDetailsView: