Deleted OS_WIN and all Windows specific files from base.

base/bind_unittest.cc

Index: base/bind_unittest.cc
diff --git a/base/bind_unittest.cc b/base/bind_unittest.cc
index f885403c92dfa68b0ba0a4afe534e4c3d39ad918..5d2a86d10fc3a192e38a3a243f67f1089376abf9 100644
--- a/base/bind_unittest.cc
+++ b/base/bind_unittest.cc
@@ -792,27 +792,6 @@ TEST_F(BindTest, ArgumentCopies) {
 //
 // TODO(ajwong): Is there actually a way to test this?
 
-#if defined(OS_WIN)
-int __fastcall FastCallFunc(int n) {
-  return n;
-}
-
-int __stdcall StdCallFunc(int n) {
-  return n;
-}
-
-// Windows specific calling convention support.
-//   - Can bind a __fastcall function.
-//   - Can bind a __stdcall function.
-TEST_F(BindTest, WindowsCallingConventions) {
-  Callback<int(void)> fastcall_cb = Bind(&FastCallFunc, 1);
-  EXPECT_EQ(1, fastcall_cb.Run());
-
-  Callback<int(void)> stdcall_cb = Bind(&StdCallFunc, 2);
-  EXPECT_EQ(2, stdcall_cb.Run());
-}
-#endif
-
 #if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) && GTEST_HAS_DEATH_TEST
 
 // Test null callbacks cause a DCHECK.