Check alpha-sorting of includes during presubmit.

test/cctest/test-macro-assembler-ia32.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <stdlib.h>
 
 #include "src/v8.h"
+#include "test/cctest/cctest.h"
 
+#include "src/factory.h"
 #include "src/macro-assembler.h"
-#include "src/factory.h"
 #include "src/platform.h"
 #include "src/serialize.h"
-#include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 
 #if __GNUC__
 #define STDCALL  __attribute__((stdcall))
 #else
 #define STDCALL  __stdcall
 #endif
 
 typedef int STDCALL F0Type();
@@ skipping 108 matching lines @@
   __ ret(0);
 
   CodeDesc desc;
   masm->GetCode(&desc);
   // Call the function from C++.
   int result = FUNCTION_CAST<F0>(buffer)();
   CHECK_EQ(0, result);
 }
 
 #undef __