Introduce a mock ui_unittests Framework for loading resources.

ui/ui_unittests_bundle.gypi

Index: ui/ui_unittests_bundle.gypi
diff --git a/ui/ui_unittests_bundle.gypi b/ui/ui_unittests_bundle.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..236f50f975438cba5dcdbfff9abbf744221704a2
--- /dev/null
+++ b/ui/ui_unittests_bundle.gypi
@@ -0,0 +1,52 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This file contains resources for the ui_unittests test bundle.
+# See chrome_dll_bundle.gypi for a description of the techniques here.
+{
+  'product_name': 'ui_unittests Framework',
+  'variables': {
+    'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/ui',
+  },
+  'mac_bundle': 1,
+  'xcode_settings': {
+    'CHROMIUM_BUNDLE_ID': 'com.google.ChromiumUITests',
+    'DYLIB_COMPATIBILITY_VERSION': '1.0.0',
+    'DYLIB_CURRENT_VERSION': '1.0.0',
+    'DYLIB_INSTALL_NAME_BASE': '@executable_path/../Versions/1.0.0.0',
+    'LD_DYLIB_INSTALL_NAME':
+        '$(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(WRAPPER_NAME)/$(PRODUCT_NAME)',
+    'INFOPLIST_FILE': 'base/test/framework-Info.plist',
+  },
+  'mac_bundle_resources': [
+    'base/test/framework-Info.plist',
+    '<(PRODUCT_DIR)/ui_test.pak',
+    '<!@pymod_do_main(repack_locales -o -p <(OS) -g <(grit_out_dir) -s <(SHARED_INTERMEDIATE_DIR) -x <(SHARED_INTERMEDIATE_DIR) <(locales))',

[Nico, 2014/03/04 21:14:28]

How much does this add to gyp execution time?

[tapted, 2014/03/05 23:03:26]

(Oops - this comment was detached. Attaching.)

It adds "a bit" - maybe about a second, but it doesn't seem to be on the
critical path with parallel gyp. With 5 samples on each on spinning rust I get:

master
real: 32.60 +/- 0.93
user: 66.35 +/- 0.17
sys: 7.27 +/- 0.02

branch
real: 32.87 +/- 0.21
user: 67.83 +/- 0.88
sys: 7.70 +/- 0.12

units: mean seconds with a 90% confidence interval for the true mean

+  ],
+  'mac_bundle_resources!': [
+    'base/test/framework-Info.plist',

[tfarina, 2014/03/05 18:39:31]

What this line does? I'm not sure what mac_bundle_resources mean. Just trying to
understand.

[tapted, 2014/03/05 23:03:26]

See
https://code.google.com/p/chromium/codesearch#chromium/src/chrome/chrome_dll_...

My understanding of why it appears multiple times there is that it's required as
a dependency to satisfy the INFOPLIST_FILE key in xcode_settings above, but
shouldn't actually be bundled in with the pak files.

+  ],
+  'postbuilds': [
+    {
+      'postbuild_name': 'Symlink Resources',
+      'action': [
+        'ln',
+        '-fns',
+        'Versions/A/Resources',
+        '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Resources'
+      ],
+    },
+    {
+      # 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',
+        '-fns',
+        'ui_test.pak',
+        '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Versions/A/Resources/chrome_100_percent.pak'
+      ],
+    },
+  ],
+}