Deleted OS_WIN and all Windows specific files from base.

base/test/test_suite.h

Index: base/test/test_suite.h
diff --git a/base/test/test_suite.h b/base/test/test_suite.h
index cf0dd3aec3ae6f145359e517c884503aafd13fed..5fef582551849a136fa9eaf890d238767285bdba 100644
--- a/base/test/test_suite.h
+++ b/base/test/test_suite.h
@@ -30,9 +30,6 @@ class TestSuite {
   typedef bool (*TestMatch)(const testing::TestInfo&);
 
   TestSuite(int argc, char** argv);
-#if defined(OS_WIN)
-  TestSuite(int argc, wchar_t** argv);
-#endif  // defined(OS_WIN)
   virtual ~TestSuite();
 
   // Returns true if the test is marked as "MAYBE_".
@@ -74,9 +71,6 @@ class TestSuite {
 
  private:
   void InitializeFromCommandLine(int argc, char** argv);
-#if defined(OS_WIN)
-  void InitializeFromCommandLine(int argc, wchar_t** argv);
-#endif  // defined(OS_WIN)
 
   // Basic initialization for the test suite happens here.
   void PreInitialize(bool create_at_exit_manager);