Makes MaterialDesignController initialization explicit

ui/shell_dialogs/run_all_unittests.cc

 // Copyright 2016 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/macros.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
 
 #if defined(OS_MACOSX)
 #include "base/files/file_path.h"
 #include "base/mac/bundle_locations.h"
 #include "base/path_service.h"
 #include "base/test/mock_chrome_application_mac.h"
+#include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/resource/resource_bundle.h"
 #endif
 
 namespace {
 
 class ShellDialogsTestSuite : public base::TestSuite {
  public:
   ShellDialogsTestSuite(int argc, char** argv);
 
  protected:
@@ skipping 16 matching lines @@
 
   // Set up framework bundle so that tests on Mac can access nib files.
   base::FilePath path;
   PathService::Get(base::DIR_EXE, &path);
   // The three DirName() calls strip "Contents/MacOS/<binary>" from the path.
   path = path.DirName().DirName().DirName();
   path = path.Append(FILE_PATH_LITERAL("shell_dialogs_unittests.app"));
   base::mac::SetOverrideFrameworkBundlePath(path);
 
   // Setup resource bundle.
+  ui::MaterialDesignController::Initialize();
   ui::ResourceBundle::InitSharedInstanceWithLocale(
       "en-US", nullptr, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
 #endif
 }
 
 void ShellDialogsTestSuite::Shutdown() {
 #if defined(OS_MACOSX)
   ui::ResourceBundle::CleanupSharedInstance();
   base::mac::SetOverrideFrameworkBundle(NULL);
 #endif
   base::TestSuite::Shutdown();
 }
 
 }  // namespace
 
 int main(int argc, char** argv) {
   ShellDialogsTestSuite test_suite(argc, argv);
 
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&ShellDialogsTestSuite::Run, base::Unretained(&test_suite)));
 }