Allow script to request durable storage permission (chrome side)

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 9552f4a297051c88a1061a7ea71e01bcd28ea7c1..e546a02dd56df3080da97d96ee5915712b635b9e 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -466,6 +466,12 @@
       'browser/download/drag_download_item.h',
       'browser/download/save_package_file_picker.cc',
       'browser/download/save_package_file_picker.h',
+      'browser/durable_storage_permission_context.cc',
+      'browser/durable_storage_permission_context.h',
+      'browser/durable_storage_permission_context_factory.cc',
+      'browser/durable_storage_permission_context_factory.h',
+      'browser/durable_storage_permission_infobar_delegate.cc',
+      'browser/durable_storage_permission_infobar_delegate.h',
       'browser/enumerate_modules_model_win.cc',
       'browser/enumerate_modules_model_win.h',
       # Oh hey, all the cool browser/extensions files are hanging out in