Implement sideload wipeout for Extensions.

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

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.cc
===================================================================
--- chrome/browser/ui/webui/extensions/extension_settings_handler.cc	(revision 162977)
+++ chrome/browser/ui/webui/extensions/extension_settings_handler.cc	(working copy)
@@ -45,6 +45,7 @@
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/extension_set.h"
+#include "chrome/common/extensions/feature_switch.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/notification_service.h"
@@ -144,7 +145,26 @@
   extension_data->SetBoolean("is_hosted_app", extension->is_hosted_app());
   extension_data->SetBoolean("homepageProvided",
                              extension->GetHomepageURL().is_valid());
+  string16 automatically_disabled_text;
+  int disable_reasons =
+      extension_service_->extension_prefs()->GetDisableReasons(extension->id());
+  if ((disable_reasons & Extension::DISABLE_SIDELOAD_WIPEOUT) != 0) {
+    automatically_disabled_text = l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SIDELOAD_WIPEOUT_AUTOMATIC_DISABLE);
+  }
+  extension_data->SetString("disableReason", automatically_disabled_text);
 
+  string16 location_text;
+  if (extension->location() == Extension::INTERNAL &&
+      !extension->from_webstore()) {
+    location_text = l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SIDELOAD_WIPEOUT_DISABLE_REASON_UNKNOWN);
+  } else if (extension->location() == Extension::EXTERNAL_REGISTRY) {
+    location_text = l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SIDELOAD_WIPEOUT_DISABLE_REASON_3RD_PARTY);
+  }
+  extension_data->SetString("locationText", location_text);
+
   // Determine the sort order: Extensions loaded through --load-extensions show
   // up at the top. Disabled extensions show up at the bottom.
   if (extension->location() == Extension::LOAD)
@@ -284,6 +304,12 @@
      l10n_util::GetStringUTF16(IDS_EXTENSIONS_POLICY_CONTROLLED));
   localized_strings->SetString("extensionSettingsManagedMode",
      l10n_util::GetStringUTF16(IDS_EXTENSIONS_LOCKED_MANAGED_MODE));
+  localized_strings->SetString("extensionSettingsSideloadWipeout",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_SIDELOAD_WIPEOUT_BANNER));
+  localized_strings->SetString("sideloadWipeoutUrl",
+      chrome::kSideloadWipeoutHelpURL);
+  localized_strings->SetString("sideloadWipoutLearnMore",
+      l10n_util::GetStringUTF16(IDS_LEARN_MORE));
   localized_strings->SetString("extensionSettingsShowButton",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_SHOW_BUTTON));
   localized_strings->SetString("extensionSettingsLoadUnpackedButton",
@@ -523,12 +549,24 @@
     results.SetBoolean("developerMode", false);
   } else {
     results.SetBoolean("managedMode", false);
-  Profile* profile = Profile::FromWebUI(web_ui());
-  bool developer_mode =
-      profile->GetPrefs()->GetBoolean(prefs::kExtensionsUIDeveloperMode);
-  results.SetBoolean("developerMode", developer_mode);
+    Profile* profile = Profile::FromWebUI(web_ui());
+    bool developer_mode =
+        profile->GetPrefs()->GetBoolean(prefs::kExtensionsUIDeveloperMode);
+    results.SetBoolean("developerMode", developer_mode);
   }
 
+  // Check to see if we have any wiped out extensions.
+  Profile* profile = Profile::FromWebUI(web_ui());
+  ExtensionService* extension_service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
+  scoped_ptr<const ExtensionSet> wiped_out(
+      extension_service->GenerateSideloadWipoutExtensionsSet());
+  bool show_sideload_wipeout_extension_banner =
+      extensions::FeatureSwitch::sideload_wipeout()->IsEnabled() &&
+      (wiped_out->size() > 0);
+  results.SetBoolean("showDisabledExtensionsWarning",
+                     show_sideload_wipeout_extension_banner);
+
   bool load_unpacked_disabled =
       extension_service_->extension_prefs()->ExtensionsBlacklistedByDefault();
   results.SetBoolean("loadUnpackedDisabled", load_unpacked_disabled);