Cleanup in base/test/launcher: move more code to anonymous namespace

base/test/launcher/test_launcher.h

Index: base/test/launcher/test_launcher.h
diff --git a/base/test/launcher/test_launcher.h b/base/test/launcher/test_launcher.h
index 1837aad1b725ab3c15aa976b7fa4ce213c7a358b..8c72ee71404dfd7caa9b23634cca5072d6efe196 100644
--- a/base/test/launcher/test_launcher.h
+++ b/base/test/launcher/test_launcher.h
@@ -201,11 +201,6 @@ class TestLauncher {
 std::string GetTestOutputSnippet(const TestResult& result,
                                  const std::string& full_output);
 
-// Returns command line command line after gtest-specific processing
-// and applying |wrapper|.
-CommandLine PrepareCommandLineForGTest(const CommandLine& command_line,
-                                       const std::string& wrapper);
-
 }  // namespace base
 
 #endif  // BASE_TEST_LAUNCHER_TEST_LAUNCHER_H_