Deleted OS_WIN and all Windows specific files from base.

base/synchronization/condition_variable_unittest.cc

Index: base/synchronization/condition_variable_unittest.cc
diff --git a/base/synchronization/condition_variable_unittest.cc b/base/synchronization/condition_variable_unittest.cc
index e63a723d0097813cdee76c86be6b4e797dffd6f4..7fff6c17f4ba748a85e6182b1789eac008296cb2 100644
--- a/base/synchronization/condition_variable_unittest.cc
+++ b/base/synchronization/condition_variable_unittest.cc
@@ -243,13 +243,7 @@ TEST_F(ConditionVariableTest, DISABLED_TimeoutAcrossSetTimeOfDay) {
 #endif
 
 
-// Suddenly got flaky on Win, see http://crbug.com/10607 (starting at
-// comment #15).
-#if defined(OS_WIN)
-#define MAYBE_MultiThreadConsumerTest DISABLED_MultiThreadConsumerTest
-#else
 #define MAYBE_MultiThreadConsumerTest MultiThreadConsumerTest
-#endif
 // Test serial task servicing, as well as two parallel task servicing methods.
 TEST_F(ConditionVariableTest, MAYBE_MultiThreadConsumerTest) {
   const int kThreadCount = 10;