Change NotifyAppList*() functions into observers on a ProfileKeyedService.

chrome/browser/ui/app_list/app_list_view_delegate.cc

Index: chrome/browser/ui/app_list/app_list_view_delegate.cc
diff --git a/chrome/browser/ui/app_list/app_list_view_delegate.cc b/chrome/browser/ui/app_list/app_list_view_delegate.cc
index ab55e0765326d64f391e0cc32e66192af571c859..b4631aa62a20a2af0221c747d238bf6be116c1c2 100644
--- a/chrome/browser/ui/app_list/app_list_view_delegate.cc
+++ b/chrome/browser/ui/app_list/app_list_view_delegate.cc
@@ -54,25 +54,6 @@ app_list::SigninDelegate* AppListViewDelegate::GetSigninDelegate() {
   return signin_delegate_.get();
 }
 
-void AppListViewDelegate::OnBeginExtensionInstall(
-    const std::string& extension_id,
-    const std::string& extension_name,
-    const gfx::ImageSkia& installing_icon) {
-  apps_builder_->OnBeginExtensionInstall(extension_id,
-                                         extension_name,
-                                         installing_icon);
-}
-
-void AppListViewDelegate::OnDownloadProgress(
-    const std::string& extension_id,
-    int percent_downloaded) {
-  apps_builder_->OnDownloadProgress(extension_id, percent_downloaded);
-}
-
-void AppListViewDelegate::OnInstallFailure(const std::string& extension_id) {
-  apps_builder_->OnInstallFailure(extension_id);
-}
-
 void AppListViewDelegate::ActivateAppListItem(
     app_list::AppListItemModel* item,
     int event_flags) {