Switch to using base/constructormagic.h and remove system_wrappers/interface/constructor_magic.h.

Same as https://webrtc-codereview.appspot.com/19519004. The issue in
http://chromegw.corp.google.com/i/internal.chromium.webrtc.fyi/builders/Linux...
is solved by this change
http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libjingle/libjing...
(tested locally).

BUG=3380
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17619005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6218 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/tools/simple_command_line_parser.h b/tools/simple_command_line_parser.h
index 348e8c3..6bb3313 100644
--- a/tools/simple_command_line_parser.h
+++ b/tools/simple_command_line_parser.h
@@ -15,7 +15,7 @@
 #include <string>
 #include <vector>
 
-#include "webrtc/system_wrappers/interface/constructor_magic.h"
+#include "webrtc/base/constructormagic.h"
 #include "webrtc/test/testsupport/gtest_prod_util.h"
 
 // This is a very basic command line parsing class. We pass the command line