Further polish to extensions_ui page

chrome/browser/extensions/extensions_ui.cc

Index: chrome/browser/extensions/extensions_ui.cc
diff --git a/chrome/browser/extensions/extensions_ui.cc b/chrome/browser/extensions/extensions_ui.cc
index ef054668e66a2ce7b7b0a2a3ee808e7fe62eddbc..3a121eae659925576a5a348b3f6b87f9bfee8af8 100644
--- a/chrome/browser/extensions/extensions_ui.cc
+++ b/chrome/browser/extensions/extensions_ui.cc
@@ -28,6 +28,8 @@
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_type.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/common/pref_service.h"
 #include "chrome/common/url_constants.h"
 #include "net/base/net_util.h"
 
@@ -88,6 +90,8 @@ ExtensionsDOMHandler::ExtensionsDOMHandler(ExtensionsService* extension_service)
 void ExtensionsDOMHandler::RegisterMessages() {
   dom_ui_->RegisterMessageCallback("requestExtensionsData",
       NewCallback(this, &ExtensionsDOMHandler::HandleRequestExtensionsData));
+  dom_ui_->RegisterMessageCallback("toggleDeveloperMode",
+      NewCallback(this, &ExtensionsDOMHandler::HandleToggleDeveloperMode));
   dom_ui_->RegisterMessageCallback("inspect",
       NewCallback(this, &ExtensionsDOMHandler::HandleInspectMessage));
   dom_ui_->RegisterMessageCallback("reload",
@@ -133,6 +137,10 @@ void ExtensionsDOMHandler::HandleRequestExtensionsData(const Value* value) {
   }
   results.Set(L"extensions", extensions_list);
 
+  bool developer_mode = dom_ui_->GetProfile()->GetPrefs()
+      ->GetBoolean(prefs::kExtensionsUIDeveloperMode);
+  results.SetBoolean(L"developerMode", developer_mode);
+
   dom_ui_->CallJavascriptFunction(L"returnExtensionsData", results);
 
   // Register for notifications that we need to reload the page.
@@ -147,6 +155,13 @@ void ExtensionsDOMHandler::HandleRequestExtensionsData(const Value* value) {
       NotificationService::AllSources());
 }
 
+void ExtensionsDOMHandler::HandleToggleDeveloperMode(const Value* value) {
+  bool developer_mode = dom_ui_->GetProfile()->GetPrefs()
+      ->GetBoolean(prefs::kExtensionsUIDeveloperMode);
+  dom_ui_->GetProfile()->GetPrefs()->SetBoolean(
+      prefs::kExtensionsUIDeveloperMode, !developer_mode);
+}
+
 void ExtensionsDOMHandler::HandleInspectMessage(const Value* value) {
   std::string render_process_id_str;
   std::string render_view_id_str;
@@ -514,3 +529,8 @@ RefCountedMemory* ExtensionsUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadImageResourceBytes(IDR_PLUGIN);
 }
+
+// static
+void ExtensionsUI::RegisterUserPrefs(PrefService* prefs) {
+  prefs->RegisterBooleanPref(prefs::kExtensionsUIDeveloperMode, false);
+}