diff --git a/tools/gn/exec_process_unittest.cc b/tools/gn/exec_process_unittest.cc
index 70a208c..51ce7b7 100644
--- a/tools/gn/exec_process_unittest.cc
+++ b/tools/gn/exec_process_unittest.cc
@@ -26,6 +26,7 @@
                 std::string* std_err,
                 int* exit_code) {
   base::ScopedTempDir temp_dir;
+  CHECK(temp_dir.CreateUniqueTempDir());
   base::CommandLine::StringVector args;
 #if defined(OS_WIN)
   args.push_back(L"python");
@@ -36,8 +37,8 @@
   args.push_back("-c");
   args.push_back(command);
 #endif
-  return ExecProcess(
-      base::CommandLine(args), temp_dir.path(), std_out, std_err, exit_code);
+  return ExecProcess(base::CommandLine(args), temp_dir.GetPath(), std_out,
+                     std_err, exit_code);
 }
 }  // namespace
 
diff --git a/tools/gn/filesystem_utils_unittest.cc b/tools/gn/filesystem_utils_unittest.cc
index 240ed61..f5724c4 100644
--- a/tools/gn/filesystem_utils_unittest.cc
+++ b/tools/gn/filesystem_utils_unittest.cc
@@ -581,7 +581,7 @@
 
   std::string data = "foo";
 
-  base::FilePath file_path = temp_dir.path().AppendASCII("foo.txt");
+  base::FilePath file_path = temp_dir.GetPath().AppendASCII("foo.txt");
   base::WriteFile(file_path, data.c_str(), static_cast<int>(data.size()));
 
   EXPECT_TRUE(ContentsEqual(file_path, data));
@@ -602,7 +602,7 @@
 
   // Write if file doesn't exist. Create also directory.
   base::FilePath file_path =
-      temp_dir.path().AppendASCII("bar").AppendASCII("foo.txt");
+      temp_dir.GetPath().AppendASCII("bar").AppendASCII("foo.txt");
   EXPECT_TRUE(WriteFileIfChanged(file_path, data, nullptr));
 
   base::File::Info file_info;
diff --git a/tools/gn/function_write_file_unittest.cc b/tools/gn/function_write_file_unittest.cc
index 50a0f43..8f2b42a 100644
--- a/tools/gn/function_write_file_unittest.cc
+++ b/tools/gn/function_write_file_unittest.cc
@@ -40,7 +40,7 @@
   // Make a real directory for writing the files.
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  setup.build_settings()->SetRootPath(temp_dir.path());
+  setup.build_settings()->SetRootPath(temp_dir.GetPath());
   setup.build_settings()->SetBuildDir(SourceDir("//out/"));
 
   Value some_string(nullptr, "some string contents");
@@ -52,8 +52,9 @@
 
   // Should be able to write to a new dir inside the out dir.
   EXPECT_TRUE(CallWriteFile(setup.scope(), "//out/foo.txt", some_string));
-  base::FilePath foo_name = temp_dir.path().Append(FILE_PATH_LITERAL("out"))
-      .Append(FILE_PATH_LITERAL("foo.txt"));
+  base::FilePath foo_name = temp_dir.GetPath()
+                                .Append(FILE_PATH_LITERAL("out"))
+                                .Append(FILE_PATH_LITERAL("foo.txt"));
   std::string result_contents;
   EXPECT_TRUE(base::ReadFileToString(foo_name, &result_contents));
   EXPECT_EQ(some_string.string_value(), result_contents);