diff --git a/tools/gn/command_format_unittest.cc b/tools/gn/command_format_unittest.cc
index c351df0..1780eb4 100644
--- a/tools/gn/command_format_unittest.cc
+++ b/tools/gn/command_format_unittest.cc
@@ -20,7 +20,7 @@
     std::string out;                                                        \
     std::string expected;                                                   \
     base::FilePath src_dir;                                                 \
-    PathService::Get(base::DIR_SOURCE_ROOT, &src_dir);                      \
+    base::PathService::Get(base::DIR_SOURCE_ROOT, &src_dir);                \
     base::SetCurrentDirectory(src_dir);                                     \
     EXPECT_TRUE(commands::FormatFileToString(                               \
         &setup, SourceFile("//tools/gn/format_test_data/" #n ".gn"), false, \
diff --git a/tools/gn/ninja_build_writer.cc b/tools/gn/ninja_build_writer.cc
index 2f782f0..075592c 100644
--- a/tools/gn/ninja_build_writer.cc
+++ b/tools/gn/ninja_build_writer.cc
@@ -52,7 +52,7 @@
       build_settings->build_dir().Resolve(build_settings->root_path());
 
   base::FilePath exe_path;
-  PathService::Get(base::FILE_EXE, &exe_path);
+  base::PathService::Get(base::FILE_EXE, &exe_path);
   if (build_path.IsAbsolute())
     exe_path = MakeAbsoluteFilePathRelativeIfPossible(build_path, exe_path);