Port identity_internals to mojo

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 788b720f4d36b77f63a1c05e3ad01949d8970649..cc9b251699e88b5e42d8662a3228777b772779cd 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -614,6 +614,7 @@ grit("resources") {
   source = "browser_resources.grd"
 
   omnibox_mojom_file = "$root_gen_dir/chrome/browser/ui/webui/omnibox/omnibox.mojom.js"
+  identity_internals_mojom_file = "$root_gen_dir/chrome/browser/ui/webui/identity_internals/identity_internals.mojom.js"
 
   grit_flags = [
     "-E", "about_credits_file=" +
@@ -622,12 +623,15 @@ grit("resources") {
           rebase_path(additional_modules_list_file, root_build_dir),
     "-E", "omnibox_mojom_file=" +
           rebase_path(omnibox_mojom_file, root_build_dir),
+    "-E", "identity_internals_mojom_file=" +
+          rebase_path(identity_internals_mojom_file, root_build_dir),
   ]
 
   deps = [
     ":about_credits",
     ":chrome_internal_resources_gen",
     "//chrome/browser/ui/webui/omnibox:mojo_bindings",
+    "//chrome/browser/ui/webui/identity_internals:mojo_bindings",
   ]
 }