Add deprecation warning banner to App Launcher on Mac.

chrome/browser/ui/app_list/app_list_view_delegate.cc

Index: chrome/browser/ui/app_list/app_list_view_delegate.cc
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.cc b/chrome/browser/ui/app_list/app_list_view_delegate.cc
index 86e85c5289e8e24bdf0c004c0a842108f7081d6d..2e6e3887022a1d17a242d78a40dee495f298e643 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.cc
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.cc
@@ -85,6 +85,11 @@
 #include "chrome/browser/web_applications/web_app_win.h"
 #endif
 
+#if !defined(OS_CHROMEOS)
+#include "chrome/grit/chromium_strings.h"
+#include "chrome/grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#endif
 
 namespace chrome {
 const char kAppLauncherCategoryTag[] = "AppLauncher";
@@ -786,6 +791,40 @@ void AppListViewDelegate::RemoveObserver(
   observers_.RemoveObserver(observer);
 }
 
+#if !defined(OS_CHROMEOS)
+base::string16 AppListViewDelegate::GetMessageTitle() const {
+  return l10n_util::GetStringUTF16(IDS_APP_LIST_MESSAGE_TITLE);
+}
+
+base::string16 AppListViewDelegate::GetMessageText() const {
+  return l10n_util::GetStringUTF16(IDS_APP_LIST_MESSAGE_TEXT);

[Matt Giuca, 2016/03/22 03:28:06]

base::string16 GetMessageText(size_t* offset) const {
  l10n_util::GetStringFUTF16(IDS_APP_LIST_MESSAGE_TEXT, base::string16(),
offset);
}

(see my later comments)

[tapted, 2016/03/22 04:58:14]

Acknowledged.

+}
+
+base::string16 AppListViewDelegate::GetAppsShortcutName() const {
+  return l10n_util::GetStringUTF16(IDS_BOOKMARK_BAR_APPS_SHORTCUT_NAME);
+}
+
+base::string16 AppListViewDelegate::GetLearnMoreText() const {
+  return l10n_util::GetStringUTF16(IDS_APP_LIST_MESSAGE_LEARN_MORE_TEXT);
+}
+
+base::string16 AppListViewDelegate::GetLearnMoreLink() const {
+  return l10n_util::GetStringUTF16(IDS_APP_LIST_MESSAGE_LEARN_MORE_LINK);
+}
+
+gfx::ImageSkia* AppListViewDelegate::GetAppsIcon() const {
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  // Ensure it's backed by a native image type in the ResourceBundle cache.
+  rb.GetNativeImageNamed(IDR_BOOKMARK_BAR_APPS_SHORTCUT);
+  return rb.GetImageSkiaNamed(IDR_BOOKMARK_BAR_APPS_SHORTCUT);
+}
+
+void AppListViewDelegate::OpenLearnMoreLink() {
+  controller_->OpenURL(profile_, GURL(GetLearnMoreLink()),
+                       ui::PAGE_TRANSITION_LINK, CURRENT_TAB);
+}
+#endif  // !defined(OS_CHROMEOS)
+
 void AppListViewDelegate::OnTemplateURLServiceChanged() {
   if (!app_list::switches::IsExperimentalAppListEnabled())
     return;