Eliminate silently letting errors pass on pak loading.

ui/base/ui_base_tests.gyp

Index: ui/base/ui_base_tests.gyp
diff --git a/ui/base/ui_base_tests.gyp b/ui/base/ui_base_tests.gyp
index d95c0de5d40ea2dc77785716146a00fac8841421..f4302caa0dc1cf287b8f440ae61c11176f1ac56e 100644
--- a/ui/base/ui_base_tests.gyp
+++ b/ui/base/ui_base_tests.gyp
@@ -112,6 +112,26 @@
               'includes': [ '../../build/copy_test_data_ios.gypi' ],
             },
           ],
+          'postbuilds': [
+            # The iOS resource bundle code hard-codes the names of the 100% and
+            # 200% paks. This copying allows locale.pak to stand in for them.
+            {
+              'postbuild_name': 'Copy chrome_100_percent for test',
+              'action': [
+                'cp',
+                '${BUILT_PRODUCTS_DIR}/ui/en.lproj/locale.pak',
+                '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/chrome_100_percent.pak'
+              ],
+            },
+            {
+              'postbuild_name': 'Copy chrome_200_percent for test',
+              'action': [
+                'cp',
+                '${BUILT_PRODUCTS_DIR}/ui/en.lproj/locale.pak',
+                '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/chrome_200_percent.pak'
+              ],
+            },
+          ],
         }],
         ['OS == "win"', {
           'sources': [