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 78718fdee09d1e41a3ce392f57db6072901cc5ec..3461bc0166f891fbb96ec09f26118eb129d36f09 100644
--- a/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
+++ b/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.cc
@@ -239,6 +239,12 @@ 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;
   }
 
@@ -430,6 +436,24 @@ 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,