Build sync engine as part of the browser build

chrome/browser/sync/util/highres_timer_unittest.cc

Index: chrome/browser/sync/util/highres_timer_unittest.cc
===================================================================
--- chrome/browser/sync/util/highres_timer_unittest.cc	(revision 26149)
+++ chrome/browser/sync/util/highres_timer_unittest.cc	(working copy)
@@ -5,6 +5,7 @@
 // High resolution timer unit tests.
 
 #include "base/basictypes.h"
+#include "build/build_config.h"
 #include "chrome/browser/sync/util/highres_timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -30,7 +31,7 @@
   HighresTimer timer;
 
   EXPECT_EQ(0, timer.GetElapsedSec());
-#ifdef OS_WINDOWS
+#ifdef OS_WIN
   ::Sleep(250);
 #else
   struct timespec ts1 = {0, 250000000};
@@ -39,7 +40,7 @@
   EXPECT_EQ(0, timer.GetElapsedSec());
   EXPECT_LE(230, timer.GetElapsedMs());
   EXPECT_GE(270, timer.GetElapsedMs());
-#ifdef OS_WINDOWS
+#ifdef OS_WIN
   ::Sleep(251);
 #else
   struct timespec ts2 = {0, 251000000};