--- a/security/sandbox/chromium/base/win/scoped_handle.h
+++ b/security/sandbox/chromium/base/win/scoped_handle.h
@@ -13,17 +13,17 @@
 #include "base/macros.h"
 #include "base/move.h"
 
 // TODO(rvargas): remove this with the rest of the verifier.
 #if defined(COMPILER_MSVC)
 #include <intrin.h>
 #define BASE_WIN_GET_CALLER _ReturnAddress()
 #elif defined(COMPILER_GCC)
-#define BASE_WIN_GET_CALLER __builtin_extract_return_addr(\\
+#define BASE_WIN_GET_CALLER __builtin_extract_return_addr(\
     __builtin_return_address(0))
 #endif
 
 namespace base {
 namespace win {
 
 // Generic wrapper for raw handles that takes care of closing handles
 // automatically. The class interface follows the style of