Deleted OS_WIN and all Windows specific files from base.

base/process/process_unittest.cc

Index: base/process/process_unittest.cc
diff --git a/base/process/process_unittest.cc b/base/process/process_unittest.cc
index e094c032f3bb07e4e7530ac3276e2e77726629e0..b32e5beebcad198e0bb5bc483c1c19304a614453 100644
--- a/base/process/process_unittest.cc
+++ b/base/process/process_unittest.cc
@@ -17,11 +17,7 @@
 
 namespace {
 
-#if defined(OS_WIN)
-const int kExpectedStillRunningExitCode = 0x102;
-#else
 const int kExpectedStillRunningExitCode = 0;
-#endif
 
 }  // namespace
 
@@ -186,11 +182,6 @@ TEST_F(ProcessTest, SetProcessBackgrounded) {
   EXPECT_TRUE(process.IsProcessBackgrounded(process_port));
   EXPECT_TRUE(process.SetProcessBackgrounded(process_port, false));
   EXPECT_FALSE(process.IsProcessBackgrounded(process_port));
-#elif defined(OS_WIN)
-  EXPECT_TRUE(process.SetProcessBackgrounded(true));
-  EXPECT_TRUE(process.IsProcessBackgrounded());
-  EXPECT_TRUE(process.SetProcessBackgrounded(false));
-  EXPECT_FALSE(process.IsProcessBackgrounded());
 #else
   process.SetProcessBackgrounded(true);
   process.SetProcessBackgrounded(false);
@@ -210,11 +201,6 @@ TEST_F(ProcessTest, SetProcessBackgroundedSelf) {
   EXPECT_TRUE(process.IsProcessBackgrounded(process_port));
   EXPECT_TRUE(process.SetProcessBackgrounded(process_port, false));
   EXPECT_FALSE(process.IsProcessBackgrounded(process_port));
-#elif defined(OS_WIN)
-  EXPECT_TRUE(process.SetProcessBackgrounded(true));
-  EXPECT_TRUE(process.IsProcessBackgrounded());
-  EXPECT_TRUE(process.SetProcessBackgrounded(false));
-  EXPECT_FALSE(process.IsProcessBackgrounded());
 #else
   process.SetProcessBackgrounded(true);
   process.SetProcessBackgrounded(false);