Move StructuredMachineAssembler into cctest suite.

test/cctest/compiler/structured-machine-assembler.h

Index: test/cctest/compiler/structured-machine-assembler.h
diff --git a/src/compiler/structured-machine-assembler.h b/test/cctest/compiler/structured-machine-assembler.h
similarity index 98%
rename from src/compiler/structured-machine-assembler.h
rename to test/cctest/compiler/structured-machine-assembler.h
index 5f683a381c43b0b9bd6398c8bb522c5fd7beef45..e5e85edc7f9c3c23c1dacbe536cc9900cd012918 100644
--- a/src/compiler/structured-machine-assembler.h
+++ b/test/cctest/compiler/structured-machine-assembler.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_
-#define V8_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_
+#ifndef V8_CCTEST_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_
+#define V8_CCTEST_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_
 
 #include "src/v8.h"
 
@@ -296,4 +296,4 @@ class StructuredMachineAssembler::LoopBuilder {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_
+#endif  // V8_CCTEST_COMPILER_STRUCTURED_MACHINE_ASSEMBLER_H_