Revert "Add COMPONENT_BUILD global define. "

base/debug/debug_on_start_win.h

Index: base/debug/debug_on_start_win.h
diff --git a/base/debug/debug_on_start_win.h b/base/debug/debug_on_start_win.h
index 86d4721c08b8c858a9eb8aab8774f72733f8e621..4a5c1201b8cb26e674156df2b31effd5d0a50713 100644
--- a/base/debug/debug_on_start_win.h
+++ b/base/debug/debug_on_start_win.h
@@ -27,7 +27,7 @@ namespace debug {
 // There is no way for this code, as currently implemented, to work across DLLs.
 // TODO(rvargas): It looks like we really don't use this code, at least not for
 // Chrome. Figure out if it's really worth implementing something simpler.
-#if !defined(COMPONENT_BUILD)
+#if !defined(BASE_DLL)
 
 // Debug on start functions and data.
 class DebugOnStart {
@@ -74,7 +74,7 @@ DECLSPEC_SELECTANY DebugOnStart::PIFV debug_on_start = &DebugOnStart::Init;
 
 #endif  // _WIN64
 
-#endif  // defined(COMPONENT_BUILD)
+#endif  // defined(BASE_DLL)
 
 }  // namespace debug
 }  // namespace base