Files app: Fix file picker to open as JS modules based on the flag

Bug: 1133186
Change-Id: Ib1bdd895ef7872d940cebcf8825a90f575db5082
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2643671
Commit-Queue: Jeremie Boulic <jboulic@chromium.org>
Auto-Submit: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Jeremie Boulic <jboulic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845960}

chrome/browser/chromeos/file_manager/url_util.cc

@@ -66,7 +66,11 @@ std::string GetDialogTypeAsString(
 }  // namespace
 
 GURL GetFileManagerMainPageUrl() {
-  return GetFileManagerUrl("/main.html");
+  if (base::FeatureList::IsEnabled(chromeos::features::kFilesJsModules)) {
+    return GetFileManagerUrl("/main_modules.html");
+  } else {
+    return GetFileManagerUrl("/main.html");
+  }
 }
 
 GURL GetFileManagerMainPageUrlWithParams(

chrome/browser/chromeos/file_manager/url_util_unittest.cc

@@ -38,8 +38,14 @@ std::string PrettyPrintEscapedJson(const std::string& query) {
 }
 
 TEST(FileManagerUrlUtilTest, GetFileManagerMainPageUrl) {
-  EXPECT_EQ("chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/main.html",
-            GetFileManagerMainPageUrl().spec());
+  if (base::FeatureList::IsEnabled(chromeos::features::kFilesJsModules)) {
+    EXPECT_EQ(
+        "chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/main_modules.html",
+        GetFileManagerMainPageUrl().spec());
+  } else {
+    EXPECT_EQ("chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/main.html",
+              GetFileManagerMainPageUrl().spec());
+  }
 }
 
 TEST(FileManagerUrlUtilTest, GetFileManagerMainPageUrlWithParams_NoFileTypes) {