Add a function triggering extension installed to ExtensionRegistryObserver

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 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 "chrome/browser/extensions/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
@@ skipping 67 matching lines @@
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DevToolsAgentHost;
 using extensions::CrxInstaller;
 using extensions::Extension;
 using extensions::ExtensionIdSet;
 using extensions::ExtensionInfo;
 using extensions::ExtensionRegistry;
 using extensions::ExtensionSet;
 using extensions::FeatureSwitch;
+using extensions::InstalledExtensionInfo;

[not at google - send to devlin, 2014/05/16 13:49:03]

doesn't add much

[limasdf, 2014/05/16 20:39:14]

Done. let me move ExtensionService into extensions namespace someday!

[not at google - send to devlin, 2014/05/16 23:03:35]

one day :)

or perhaps let's leave it outside the namespace to encourage people to move
extension service into more targeted components.

 using extensions::InstallVerifier;
 using extensions::ManagementPolicy;
 using extensions::Manifest;
 using extensions::PermissionMessage;
 using extensions::PermissionMessages;
 using extensions::PermissionSet;
 using extensions::SharedModuleInfo;
 using extensions::SharedModuleService;
 using extensions::UnloadedExtensionInfo;
 
@@ skipping 1810 matching lines @@
   bool is_update = false;
   std::string old_name;
   if (existing_extension) {
     is_update = true;
     old_name = existing_extension->name();
   }
   extensions::InstalledExtensionInfo details(extension, is_update, old_name);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_INSTALLED,
       content::Source<Profile>(profile_),
-      content::Details<const extensions::InstalledExtensionInfo>(&details));
+      content::Details<const InstalledExtensionInfo>(&details));
+
+  ExtensionRegistry::Get(profile_)
+      ->TriggerOnInstalled(extension, is_update, old_name);
 
   bool unacknowledged_external = IsUnacknowledgedExternalExtension(extension);
 
   // Unpacked extensions default to allowing file access, but if that has been
   // overridden, don't reset the value.
   if (Manifest::ShouldAlwaysAllowFileAccess(extension->location()) &&
       !extension_prefs_->HasAllowFileAccessSetting(extension->id())) {
     extension_prefs_->SetAllowFileAccess(extension->id(), true);
   }
 
@@ skipping 479 matching lines @@
 void ExtensionService::UnloadAllExtensionsInternal() {
   profile_->GetExtensionSpecialStoragePolicy()->RevokeRightsForAllExtensions();
 
   registry_->ClearAll();
   system_->runtime_data()->ClearAll();
 
   // TODO(erikkay) should there be a notification for this?  We can't use
   // EXTENSION_UNLOADED since that implies that the extension has been disabled
   // or uninstalled.
 }