Deleted OS_WIN and all Windows specific files from base.

base/test/launcher/unit_test_launcher.h

Index: base/test/launcher/unit_test_launcher.h
diff --git a/base/test/launcher/unit_test_launcher.h b/base/test/launcher/unit_test_launcher.h
index ca00f1048b2d18dd8566640a3d68d56ec3f70520..d6419bb552aac37a34ec118f056be9d410930fbc 100644
--- a/base/test/launcher/unit_test_launcher.h
+++ b/base/test/launcher/unit_test_launcher.h
@@ -24,15 +24,6 @@ int LaunchUnitTestsSerially(int argc,
                             char** argv,
                             const RunTestSuiteCallback& run_test_suite);
 
-#if defined(OS_WIN)
-// Launches unit tests in given test suite. Returns exit code.
-// |use_job_objects| determines whether to use job objects.
-int LaunchUnitTests(int argc,
-                    wchar_t** argv,
-                    bool use_job_objects,
-                    const RunTestSuiteCallback& run_test_suite);
-#endif  // defined(OS_WIN)
-
 // Delegate to abstract away platform differences for unit tests.
 class UnitTestPlatformDelegate {
  public: