Revert of Eliminate silently letting errors pass on pak loading.

ui/base/ui_base_tests_bundle.gypi

Index: ui/base/ui_base_tests_bundle.gypi
diff --git a/ui/base/ui_base_tests_bundle.gypi b/ui/base/ui_base_tests_bundle.gypi
index ba2e8f6a5703268076ee22301a734a6da46a8df0..8fb6307339560bfff7be281243cf8c7622245812 100644
--- a/ui/base/ui_base_tests_bundle.gypi
+++ b/ui/base/ui_base_tests_bundle.gypi
@@ -40,9 +40,9 @@
         '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Resources'
       ],
     },
-    # The Mac resource bundle code hard-codes the names of the 100% and 200%
-    # paks. This symlinking allows ui_test.pak to stand in for them.
     {
+      # Resource bundle pak names are hardcoded. This allows ui_test.pak to be
+      # found while running the ResourceBundle tests.
       'postbuild_name': 'Symlink chrome_100_percent for test',
       'action': [
         'ln',
@@ -51,14 +51,5 @@
         '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Versions/A/Resources/chrome_100_percent.pak'
       ],
     },
-    {
-      'postbuild_name': 'Symlink chrome_200_percent for test',
-      'action': [
-        'ln',
-        '-fns',
-        'ui_test.pak',
-        '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Versions/A/Resources/chrome_200_percent.pak'
-      ],
-    },
   ],
 }