Adding metadata to LocaleDetailed views.

This is part of the "Views Posse" effort. See this document:
https://docs.google.com/document/d/1Rst3792TjXtVA8k8GXaPD8MnuB1JAneSOpIILdA4268/edit?usp=sharing

Bug: 1159562
Test: build
Change-Id: I40255c5e8f4329fdf2fd7d2cb659890a0b9c308f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2599569
Commit-Queue: Shengsong Tan <sstan@google.com>
Reviewed-by: Tetsui Ohkubo <tetsui@chromium.org>
Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839048}

ash/system/locale/locale_detailed_view.cc

@@ -25,6 +25,7 @@
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/scroll_view.h"
 #include "ui/views/layout/fill_layout.h"
+#include "ui/views/metadata/metadata_impl_macros.h"
 
 namespace ash {
 
@@ -36,6 +37,8 @@ namespace {
 // |checked| is true.
 class LocaleItem : public ActionableView {
  public:
+  METADATA_HEADER(LocaleItem);
+
   LocaleItem(tray::LocaleDetailedView* locale_detailed_view,
              const std::string& iso_code,
              const base::string16& display_name,
@@ -81,7 +84,8 @@ class LocaleItem : public ActionableView {
     }
     SetAccessibleName(display_name_view->GetText());
   }
-
+  LocaleItem(const LocaleItem&) = delete;
+  LocaleItem& operator=(const LocaleItem&) = delete;
   ~LocaleItem() override = default;
 
   // ActionableView:
@@ -96,8 +100,6 @@ class LocaleItem : public ActionableView {
     ScrollViewToVisible();
   }
 
-  const char* GetClassName() const override { return "LocaleItem"; }
-
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override {
     ActionableView::GetAccessibleNodeData(node_data);
     node_data->role = ax::mojom::Role::kCheckBox;
@@ -108,10 +110,11 @@ class LocaleItem : public ActionableView {
  private:
   tray::LocaleDetailedView* locale_detailed_view_;
   const bool checked_;
-
-  DISALLOW_COPY_AND_ASSIGN(LocaleItem);
 };
 
+BEGIN_METADATA(LocaleItem, ActionableView)
+END_METADATA
+
 }  // namespace
 
 namespace tray {
@@ -155,9 +158,8 @@ void LocaleDetailedView::HandleViewClicked(views::View* view) {
   }
 }
 
-const char* LocaleDetailedView::GetClassName() const {
-  return "LocaleDetailedView";
-}
+BEGIN_METADATA(LocaleDetailedView, TrayDetailedView)
+END_METADATA
 
 }  // namespace tray
 }  // namespace ash

ash/system/locale/locale_detailed_view.h

@@ -10,6 +10,7 @@
 #include "ash/system/tray/tray_detailed_view.h"
 #include "base/containers/flat_map.h"
 #include "base/macros.h"
+#include "ui/views/metadata/metadata_header_macros.h"
 
 namespace ash {
 namespace tray {
@@ -17,22 +18,21 @@ namespace tray {
 // The detailed view to show when the locale feature button is clicked.
 class LocaleDetailedView : public TrayDetailedView {
  public:
+  METADATA_HEADER(LocaleDetailedView);
+
   explicit LocaleDetailedView(DetailedViewDelegate* delegate);
+  LocaleDetailedView(const LocaleDetailedView&) = delete;
+  LocaleDetailedView& operator=(const LocaleDetailedView&) = delete;
   ~LocaleDetailedView() override;
 
   // TrayDetailedView:
   void HandleViewClicked(views::View* view) override;
 
-  // views::View:
-  const char* GetClassName() const override;
-
  private:
   void CreateItems();
 
   // The map between the id of the view and the locale it corresponds to.
   base::flat_map<int, std::string> id_to_locale_;
-
-  DISALLOW_COPY_AND_ASSIGN(LocaleDetailedView);
 };
 
 }  // namespace tray