Introduce a mock ui_unittests Framework for loading resources.

ui/base/test/run_all_unittests.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
@@ skipping 34 matching lines @@
 
 #if defined(OS_ANDROID)
   // Register JNI bindings for android.
   gfx::android::RegisterJni(base::android::AttachCurrentThread());
   ui::android::RegisterJni(base::android::AttachCurrentThread());
 #endif
 
   ui::RegisterPathProvider();
   gfx::RegisterPathProvider();
 
+  base::FilePath exe_path;
+  PathService::Get(base::DIR_EXE, &exe_path);
+
 #if defined(OS_MACOSX) && !defined(OS_IOS)
-  // Look in the framework bundle for resources.
-  // TODO(port): make a resource bundle for non-app exes.  What's done here
-  // isn't really right because this code needs to depend on chrome_dll
-  // being built.  This is inappropriate in app.
-  base::FilePath path;
-  PathService::Get(base::DIR_EXE, &path);
-#if defined(GOOGLE_CHROME_BUILD)
-  path = path.AppendASCII("Google Chrome Framework.framework");
-#elif defined(CHROMIUM_BUILD)
-  path = path.AppendASCII("Chromium Framework.framework");
+  // On Mac, a test Framework bundle is created that links locale.pak and
+  // chrome_100_percent.pak at the appropriate places to ui_test.pak.
+  base::mac::SetOverrideFrameworkBundlePath(
+      exe_path.AppendASCII("ui_unittests Framework.framework"));
+  ui::ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
+
+#elif defined(OS_IOS) || defined(OS_ANDROID)
+  // On iOS, the ui_unittests binary is itself a mini bundle, with resources
+  // built in. On Android, ui_unittests_apk provides the necessary framework.
+  ui::ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
+
 #else
-#error Unknown branding
+  // On other platforms, the (hardcoded) paths for chrome_100_percent.pak and
+  // locale.pak get populated by later build steps. To avoid clobbering them,
+  // load the test .pak files directly.
+  ui::ResourceBundle::InitSharedInstanceWithPakPath(
+      exe_path.AppendASCII("ui_test.pak"));
+
+  // ui_unittests can't depend on the locales folder which Chrome will make
+  // later, so use the path created by ui_unittest_strings.
+  PathService::Override(
+      ui::DIR_LOCALES,
+      exe_path.AppendASCII("ui_unittests_strings"));
 #endif
-  base::mac::SetOverrideFrameworkBundlePath(path);
-#endif  // defined(OS_MACOSX) && !defined(OS_IOS)
-
-  // TODO(tfarina): This loads chrome_100_percent.pak and thus introduces a
-  // dependency on chrome/, we don't want that here, so change this to
-  // InitSharedInstanceWithPakPath().
-  ui::ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
 }
 
 void UIBaseTestSuite::Shutdown() {
   ui::ResourceBundle::CleanupSharedInstance();
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   base::mac::SetOverrideFrameworkBundle(NULL);
 #endif
   base::TestSuite::Shutdown();
 }
 
 }  // namespace
 
 int main(int argc, char** argv) {
   UIBaseTestSuite test_suite(argc, argv);
 
   return base::LaunchUnitTests(argc,
                                argv,
                                base::Bind(&UIBaseTestSuite::Run,
                                           base::Unretained(&test_suite)));
 }