app_shell: Extract extension runtime data from ExtensionService

apps/shell/shell_extension_system.cc

Index: apps/shell/shell_extension_system.cc
diff --git a/apps/shell/shell_extension_system.cc b/apps/shell/shell_extension_system.cc
index dfb9feca1c7c2a22fa12a03b1a403bebcb83597a..867c2f66ed52d0844e06cf8807dd4ceb8566dc54 100644
--- a/apps/shell/shell_extension_system.cc
+++ b/apps/shell/shell_extension_system.cc
@@ -21,6 +21,7 @@
 #include "extensions/browser/info_map.h"
 #include "extensions/browser/lazy_background_task_queue.h"
 #include "extensions/browser/process_manager.h"
+#include "extensions/browser/runtime_data.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
@@ -77,6 +78,7 @@ void ShellExtensionSystem::Shutdown() {
 }
 
 void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
+  runtime_data_.reset(new RuntimeData);
   lazy_background_task_queue_.reset(
       new LazyBackgroundTaskQueue(browser_context_));
   event_router_.reset(
@@ -88,6 +90,10 @@ ExtensionService* ShellExtensionSystem::extension_service() {
   return NULL;
 }
 
+RuntimeData* ShellExtensionSystem::runtime_data() {
+  return runtime_data_.get();
+}
+
 ManagementPolicy* ShellExtensionSystem::management_policy() {
   return NULL;
 }