Fix missing dependency load_time_data.m for type checking

Bug: 1099917
Change-Id: I450254884611778547c85a6e8cf6fafa7a2b6030
Reviewed-on: https://chrome-internal-review.googlesource.com/c/chrome/browser/resources/tab_search/+/3284425Reviewed-by: Tom Lukaszewicz <tluk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819607}

chrome/browser/resources/tab_search_merge/BUILD.gn

@@ -29,6 +29,7 @@ js_library("app") {
     "//third_party/polymer/v3_0/components-chromium/iron-selector:iron-selector",
     "//third_party/polymer/v3_0/components-chromium/polymer:polymer_bundled",
     "//ui/webui/resources/js:cr.m",
+    "//ui/webui/resources/js:load_time_data.m",
     "//ui/webui/resources/js:util.m",
   ]
   externs_list = [ "$externs_path/metrics_private.js" ]
@@ -50,6 +51,7 @@ js_library("tab_search_item") {
     "//third_party/polymer/v3_0/components-chromium/polymer:polymer_bundled",
     "//ui/webui/resources/cr_elements/cr_icon_button:cr_icon_button.m",
     "//ui/webui/resources/js:icon.m",
+    "//ui/webui/resources/js:load_time_data.m",
   ]
 }