Convert app_bindings.js to the schema_generated_bindings.js infrastructure.

chrome/common/extensions/extension_permission_set.cc

Index: chrome/common/extensions/extension_permission_set.cc
diff --git a/chrome/common/extensions/extension_permission_set.cc b/chrome/common/extensions/extension_permission_set.cc
index c4e451332c90475c2a5e14a3e48db3123d99cf82..6cd0f656e6cf3b8d8e1442b202616248bace8a0c 100644
--- a/chrome/common/extensions/extension_permission_set.cc
+++ b/chrome/common/extensions/extension_permission_set.cc
@@ -42,6 +42,7 @@ bool RcdBetterThan(std::string a, std::string b) {
 // Names of API modules that can be used without listing it in the
 // permissions section of the manifest.
 const char* kNonPermissionModuleNames[] = {
+  "app",
   "browserAction",
   "devtools",
   "extension",