Deleted OS_WIN and all Windows specific files from base.

base/debug/stack_trace_unittest.cc

Index: base/debug/stack_trace_unittest.cc
diff --git a/base/debug/stack_trace_unittest.cc b/base/debug/stack_trace_unittest.cc
index 804587e34055e94b41c7c7c06e9b49c528907973..11e0633489838a0e371c3d1d5219e9b793b7d8cc 100644
--- a/base/debug/stack_trace_unittest.cc
+++ b/base/debug/stack_trace_unittest.cc
@@ -29,12 +29,7 @@ typedef testing::Test StackTraceTest;
 
 // Note: On Linux, this test currently only fully works on Debug builds.
 // See comments in the #ifdef soup if you intend to change this.
-#if defined(OS_WIN)
-// Always fails on Windows: crbug.com/32070
-#define MAYBE_OutputToStream DISABLED_OutputToStream
-#else
 #define MAYBE_OutputToStream OutputToStream
-#endif
 #if !defined(__UCLIBC__)
 TEST_F(StackTraceTest, MAYBE_OutputToStream) {
   StackTrace trace;
@@ -104,12 +99,6 @@ TEST_F(StackTraceTest, MAYBE_OutputToStream) {
       << "Expected to find main in backtrace:\n"
       << backtrace_message;
 
-#if defined(OS_WIN)
-// MSVC doesn't allow the use of C99's __func__ within C++, so we fake it with
-// MSVC's __FUNCTION__ macro.
-#define __func__ __FUNCTION__
-#endif
-
   // Expect to find this function as well.
   // Note: This will fail if not linked with -rdynamic (aka -export_dynamic)
   EXPECT_TRUE(backtrace_message.find(__func__) != std::string::npos)