Promote Apps Developer Tools in the chrome:extensions page

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
index 14fbb1f02d6dd79a0cfbe1a60187ad04c3e46153..e40309c6326411c98cad30de75b438375a6dbd7c 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.cc
@@ -52,7 +52,9 @@
 #include "chrome/browser/ui/webui/extensions/extension_basic_info.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/extension_constants.h"
+#include "chrome/common/extensions/features/feature_channel.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
@@ -81,7 +83,6 @@
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_icon_set.h"
 #include "extensions/common/extension_set.h"
-#include "extensions/common/feature_switch.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_handlers/background_info.h"
 #include "extensions/common/manifest_handlers/incognito_info.h"
@@ -97,6 +98,11 @@ using base::ListValue;
 using content::RenderViewHost;
 using content::WebContents;
 
+namespace {
+const char kAppsDeveloperToolsExtensionId[] =
+    "ohmmkhmmmpcnpikjeljgnaoabkaalbgc";
+}
+
 namespace extensions {
 
 ExtensionPage::ExtensionPage(const GURL& url,
@@ -474,6 +480,17 @@ void ExtensionSettingsHandler::GetLocalizedValues(
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_COMMANDS_CONFIGURE));
   source->AddString("extensionSettingsUpdateButton",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_UPDATE_BUTTON));
+  source->AddString(
+      "extensionSettingsAppsDevToolsPromoText",
+      l10n_util::GetStringUTF16(IDS_EXTENSIONS_APPS_DEV_TOOLS_PROMO_TEXT));
+  source->AddString(
+      "extensionSettingsAppsDevToolsLinkText",
+      l10n_util::GetStringUTF16(IDS_EXTENSIONS_APPS_DEV_TOOLS_LINK_TEXT));
+  source->AddString(
+      "extensionSettingsAppsDevToolsUrl",
+      base::ASCIIToUTF16(google_util::AppendGoogleLocaleParam(
+          GURL(extension_urls::GetWebstoreItemDetailURLPrefix() +
+                   kAppsDeveloperToolsExtensionId)).spec()));
   source->AddString("extensionSettingsCrashMessage",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_CRASHED_EXTENSION));
   source->AddString("extensionSettingsInDevelopment",
@@ -824,6 +841,14 @@ void ExtensionSettingsHandler::HandleRequestExtensionsData(
   results.SetBoolean("profileIsManaged", is_managed);
   results.SetBoolean("developerMode", developer_mode);
 
+  // Promote the Apps Developer Tools if they're not installed.
+  bool promote_apps_dev_tools =
+      GetCurrentChannel() <= chrome::VersionInfo::CHANNEL_DEV &&
+      !ExtensionRegistry::Get(Profile::FromWebUI(web_ui()))->
+          GetExtensionById(kAppsDeveloperToolsExtensionId,
+                           ExtensionRegistry::EVERYTHING);
+  results.SetBoolean("promoteAppsDevTools", promote_apps_dev_tools);
+
   bool load_unpacked_disabled =
       ExtensionPrefs::Get(profile)->ExtensionsBlacklistedByDefault();
   results.SetBoolean("loadUnpackedDisabled", load_unpacked_disabled);