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

ash/system/tray/tray_details_view.h

Index: ash/system/tray/tray_details_view.h
diff --git a/ash/system/tray/tray_details_view.h b/ash/system/tray/tray_details_view.h
index f046fcdcdeec65b9c5ef0b51d7c26a5ff1a25161..60d2a2286bfdfa288f6a86bbe9f3b96de59ea4ab 100644
--- a/ash/system/tray/tray_details_view.h
+++ b/ash/system/tray/tray_details_view.h
@@ -8,11 +8,13 @@
 #include <memory>
 
 #include "ash/ash_export.h"
+#include "ash/system/tray/actionable_view.h"

[Kyle Horimoto, 2017/07/12 22:45:58]

Remove.

[lesliewatkins, 2017/07/13 22:12:47]

Done.

 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/view_click_listener.h"
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/label_button.h"

[Kyle Horimoto, 2017/07/12 22:45:58]

Remove.

[lesliewatkins, 2017/07/13 22:12:47]

Done.

 #include "ui/views/view.h"
 
 namespace gfx {
@@ -22,7 +24,6 @@ struct VectorIcon;
 namespace views {
 class BoxLayout;
 class CustomButton;
-class Label;
 class ProgressBar;
 class ScrollView;
 }  // namespace views
@@ -54,23 +55,15 @@ class ASH_EXPORT TrayDetailsView : public views::View,
 
   SystemTrayItem* owner() { return owner_; }
 
- protected:
-  // A view containing only a label, which is to be inserted as a non-targetable
-  // row within a system menu detailed view (e.g., the "Scanning for devices..."
-  // message that can appear at the top of the Bluetooth detailed view).
-  class InfoLabel : public View {
+  // A delegate for handling actions when an InfoLabel is clicked.
+  class TrayDetailClickHandler {

[Kyle Horimoto, 2017/07/12 22:45:58]

Remove.

[lesliewatkins, 2017/07/13 22:12:47]

Done.

    public:
-    explicit InfoLabel(int message_id);
-    ~InfoLabel() override;
-
-    void SetMessage(int message_id);
-
-   private:
-    views::Label* const label_;
-
-    DISALLOW_COPY_AND_ASSIGN(InfoLabel);
+    virtual ~TrayDetailClickHandler(){};
+    virtual void OnTrayDetailClicked(int message_id) = 0;
+    virtual bool TrayDetailIsClickable(int message_id) = 0;
   };
 
+ protected:
   // views::View:
   void Layout() override;
   int GetHeightForWidth(int width) const override;