Use chrome::kChromeVersion in installer::GetModulePath().

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 53f50a306e76cef0f2f15be7863b99f0cea8c362..964fff667e88a2061cf1b44c675b456f31558277 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -3374,6 +3374,7 @@ test("unit_tests") {
     "../browser/webshare/share_service_impl_unittest.cc",
     "../browser/win/chrome_elf_init_unittest.cc",
     "../browser/win/enumerate_modules_model_unittest.cc",
+    "../common/chrome_constants_win_unittest.cc",
     "../common/chrome_content_client_unittest.cc",
     "../common/chrome_paths_unittest.cc",
     "../common/component_flash_hint_file_linux_unittest.cc",
@@ -3451,6 +3452,12 @@ test("unit_tests") {
   if (is_linux || is_win) {
     data += [ "$root_out_dir/chrome_200_percent.pak" ]
   }
+  if (is_win) {
+    data_deps = [
+      "//chrome:chrome_initial",
+    ]
+    data += [ "$root_out_dir/chrome.exe" ]
+  }
 
   defines = []