Get web application list using Drive V2 API.

chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc

Index: chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc b/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
index 8c7828e167043a609408d23ea84f1d4730eed8f9..776b07e989cd9cf63ee6d474acbbee9adbe38989 100644
--- a/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
+++ b/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
@@ -254,6 +254,12 @@ void GDataWapiFeedLoader::ReloadFromServerIfNeeded(
                    local_changestamp,
                    search_file_path,
                    callback));
+    // Drive v2 needs a separate application list fetch operation.
+    // TODO(kochi): Application list rarely changes and do not necessarily
+    // refresed as often as files.
+    documents_service_->GetApplicationList(
+        base::Bind(&GDataWapiFeedLoader::OnGetApplicationList,
+                   weak_ptr_factory_.GetWeakPtr()));
     return;
   }
 
@@ -321,7 +327,7 @@ void GDataWapiFeedLoader::OnGetAccountMetadata(
     return;
   }
 
-  webapps_registry_->UpdateFromFeed(account_metadata.get());
+  webapps_registry_->UpdateFromFeed(*account_metadata.get());
 
   bool changes_detected = true;
   if (local_changestamp >= account_metadata->largest_changestamp()) {
@@ -445,6 +451,24 @@ void GDataWapiFeedLoader::OnGetAboutResource(
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
+void GDataWapiFeedLoader::OnGetApplicationList(
+    GDataErrorCode status,
+    scoped_ptr<base::Value> json) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  GDataFileError error = util::GDataToGDataFileError(status);
+  if (error != GDATA_FILE_OK)
+    return;
+
+  if (json.get()) {
+    scoped_ptr<AppList> applist(AppList::CreateFrom(*json));
+    if (applist.get()) {
+      VLOG(1) << "applist get success";
+      webapps_registry_->UpdateFromApplicationList(*applist.get());
+    }
+  }
+}
+
 // TODO(kochi): Fix too many parameters.  http://crbug.com/141359
 void GDataWapiFeedLoader::LoadFromServer(
     ContentOrigin initial_origin,