ui: Fix the path of DIR_TEST_DATA key.

ui/base/resource/data_pack_unittest.cc

 // Copyright (c) 2012 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/file_util.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/strings/string_piece.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/resource/data_pack.h"
+#include "ui/base/ui_base_paths.h"
 
 namespace ui {
 
 class DataPackTest
     : public testing::TestWithParam<DataPack::TextEncodingType> {
  public:
   DataPackTest() {}
 };
 
 extern const char kSamplePakContents[];
@@ skipping 68 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(WriteBINARY, DataPackTest, ::testing::Values(
     DataPack::BINARY));
 INSTANTIATE_TEST_CASE_P(WriteUTF8, DataPackTest, ::testing::Values(
     DataPack::UTF8));
 INSTANTIATE_TEST_CASE_P(WriteUTF16, DataPackTest, ::testing::Values(
     DataPack::UTF16));
 
 TEST(DataPackTest, LoadFileWithTruncatedHeader) {
   base::FilePath data_path;
-  PathService::Get(base::DIR_SOURCE_ROOT, &data_path);
-  data_path = data_path.Append(FILE_PATH_LITERAL(
-      "ui/base/test/data/data_pack_unittest/truncated-header.pak"));
+  // TODO(tfarina): This fails on ios_dbg_simulator. Investigate and add
+  // ASSERT_TRUE to PathService::Get() call again.
+  PathService::Get(UI_DIR_TEST_DATA, &data_path);
+  data_path = data_path.AppendASCII("data_pack_unittest/truncated-header.pak");
 
   DataPack pack(SCALE_FACTOR_100P);
   ASSERT_FALSE(pack.LoadFromPath(data_path));
 }
 
 TEST_P(DataPackTest, Write) {
   base::ScopedTempDir dir;
   ASSERT_TRUE(dir.CreateUniqueTempDir());
   base::FilePath file = dir.path().Append(FILE_PATH_LITERAL("data.pak"));
 
@@ skipping 23 matching lines @@
   EXPECT_EQ(two, data);
   ASSERT_TRUE(pack.GetStringPiece(3, &data));
   EXPECT_EQ(three, data);
   ASSERT_TRUE(pack.GetStringPiece(4, &data));
   EXPECT_EQ(four, data);
   ASSERT_TRUE(pack.GetStringPiece(15, &data));
   EXPECT_EQ(fifteen, data);
 }
 
 }  // namespace ui