app_shell: Make renderer run background page JavaScript

apps/shell/shell_extension_system.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "apps/shell/shell_extension_system.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_registry.h"
+#include "extensions/browser/info_map.h"
 #include "extensions/browser/lazy_background_task_queue.h"
 #include "extensions/browser/process_manager.h"
 
 using content::BrowserContext;
+using content::BrowserThread;
 
 namespace extensions {
 
 ShellExtensionSystem::ShellExtensionSystem(BrowserContext* browser_context)
     : browser_context_(browser_context) {
 }
 
 ShellExtensionSystem::~ShellExtensionSystem() {
 }
 
 bool ShellExtensionSystem::LoadAndLaunchApp(const base::FilePath& app_dir) {
   std::string load_error;
   scoped_refptr<Extension> extension =
       extension_file_util::LoadExtension(app_dir,
                                          extensions::Manifest::COMMAND_LINE,
                                          Extension::NO_FLAGS,
                                          &load_error);
   if (!extension) {
     LOG(ERROR) << "Loading extension at " << app_dir.value()
         << " failed with: " << load_error;
     return false;
   }
 
+  // TODO(jamescook): We may want to do some of these things here:
+  // * Create a PermissionsUpdater.
+  // * Call PermissionsUpdater::GrantActivePermissions().
+  // * Call ExtensionService::SatisfyImports().
+  // * Call ExtensionPrefs::OnExtensionInstalled().
+  // * Send NOTIFICATION_EXTENSION_INSTALLED.
+
   ExtensionRegistry::Get(browser_context_)->AddEnabled(extension);
 
-  // TODO(jamescook): If RegisterExtensionWithRequestContexts() did something,
-  // this would be the place to call it.
+  RegisterExtensionWithRequestContexts(extension);
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_LOADED,
       content::Source<BrowserContext>(browser_context_),
       content::Details<const Extension>(extension));
 
   // Inform the rest of the extensions system to start.
   ready_.Signal();
-  LOG(WARNING) << "-----------------------------------";
-  LOG(WARNING) << "app_shell is expected to crash now.";
-  LOG(WARNING) << "-----------------------------------";
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSIONS_READY,
       content::Source<BrowserContext>(browser_context_),
       content::NotificationService::NoDetails());
 
   return true;
 }
 
 void ShellExtensionSystem::Shutdown() {
 }
 
 void ShellExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
   lazy_background_task_queue_.reset(
       new LazyBackgroundTaskQueue(browser_context_));
   event_router_.reset(
       new EventRouter(browser_context_, ExtensionPrefs::Get(browser_context_)));
   process_manager_.reset(ProcessManager::Create(browser_context_));
 }
 
 ExtensionService* ShellExtensionSystem::extension_service() {
-  NOTREACHED();
   return NULL;
 }
 
 ManagementPolicy* ShellExtensionSystem::management_policy() {
   return NULL;
 }
 
 UserScriptMaster* ShellExtensionSystem::user_script_master() {
   return NULL;
 }
 
 ProcessManager* ShellExtensionSystem::process_manager() {
   return process_manager_.get();
 }
 
 StateStore* ShellExtensionSystem::state_store() {
   return NULL;
 }
 
 StateStore* ShellExtensionSystem::rules_store() {
   return NULL;
 }
 
 InfoMap* ShellExtensionSystem::info_map() {
-  return NULL;
+  if (!info_map_.get())
+    info_map_ = new InfoMap;
+  return info_map_;
 }
 
 LazyBackgroundTaskQueue* ShellExtensionSystem::lazy_background_task_queue() {
   return lazy_background_task_queue_.get();
 }
 
 EventRouter* ShellExtensionSystem::event_router() {
   return event_router_.get();
 }
 
 ExtensionWarningService* ShellExtensionSystem::warning_service() {
   return NULL;
 }
 
 Blacklist* ShellExtensionSystem::blacklist() {
   return NULL;
 }
 
 ErrorConsole* ShellExtensionSystem::error_console() {
   return NULL;
 }
 
 InstallVerifier* ShellExtensionSystem::install_verifier() {
   return NULL;
 }
 
 void ShellExtensionSystem::RegisterExtensionWithRequestContexts(
     const Extension* extension) {
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&InfoMap::AddExtension, info_map(),
+                 make_scoped_refptr(extension), base::Time::Now(),
+                 false, false));
 }
 
 void ShellExtensionSystem::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const UnloadedExtensionInfo::Reason reason) {
 }
 
 const OneShotEvent& ShellExtensionSystem::ready() const {
   return ready_;
 }
 
 }  // namespace extensions