Move each permission classes to its own files in extensions/permissions

chrome/browser/extensions/bundle_installer.cc

Index: chrome/browser/extensions/bundle_installer.cc
diff --git a/chrome/browser/extensions/bundle_installer.cc b/chrome/browser/extensions/bundle_installer.cc
index ffd5f1f04ebb1970a4724e23adc25bd78e98ee18..b64a623bdfd47ea9fff9733c97820424652e28a0 100644
--- a/chrome/browser/extensions/bundle_installer.cc
+++ b/chrome/browser/extensions/bundle_installer.cc
@@ -255,9 +255,9 @@ void BundleInstaller::ShowPrompt() {
     return;
   }
 
-  scoped_refptr<ExtensionPermissionSet> permissions;
+  scoped_refptr<PermissionSet> permissions;
   for (size_t i = 0; i < dummy_extensions_.size(); ++i) {
-    permissions = ExtensionPermissionSet::CreateUnion(
+    permissions = PermissionSet::CreateUnion(
           permissions, dummy_extensions_[i]->required_permission_set());
   }