Disable modal JavaScript dialogs for platform apps.

chrome/browser/extensions/extension_browsertest.cc

Index: chrome/browser/extensions/extension_browsertest.cc
diff --git a/chrome/browser/extensions/extension_browsertest.cc b/chrome/browser/extensions/extension_browsertest.cc
index 101e5241b24465e2c02dcd37bb51d8c8d3c83f98..5e493596095355d901755fa0549b3ea070bd1917 100644
--- a/chrome/browser/extensions/extension_browsertest.cc
+++ b/chrome/browser/extensions/extension_browsertest.cc
@@ -142,17 +142,21 @@ const Extension* ExtensionBrowserTest::LoadExtensionIncognito(
   return LoadExtensionWithOptions(path, true, true);
 }
 
-bool ExtensionBrowserTest::LoadExtensionAsComponent(const FilePath& path) {
+const Extension* ExtensionBrowserTest::LoadExtensionAsComponent(
+    const FilePath& path) {
   ExtensionService* service = browser()->profile()->GetExtensionService();
 
   std::string manifest;
   if (!file_util::ReadFileToString(path.Append(Extension::kManifestFilename),
                                    &manifest))
-    return false;
-
-  service->component_loader()->Add(manifest, path);
+    return NULL;
 
-  return true;
+  const Extension* extension =
+      service->component_loader()->Add(manifest, path);
+  if (!extension)
+    return NULL;
+  last_loaded_extension_id_ = extension->id();
+  return extension;
 }
 
 FilePath ExtensionBrowserTest::PackExtension(const FilePath& dir_path) {