Serializer: move to a subfolder and clean up includes.

test/cctest/test-api-interceptors.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 
 #include "test/cctest/test-api.h"
 
 #include "include/v8-util.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/platform/platform.h"
 #include "src/compilation-cache.h"
 #include "src/execution.h"
 #include "src/objects.h"
 #include "src/parser.h"
 #include "src/smart-pointers.h"
-#include "src/snapshot.h"
 #include "src/unicode-inl.h"
 #include "src/utils.h"
 #include "src/vm-state.h"
 
 using ::v8::Boolean;
 using ::v8::BooleanObject;
 using ::v8::Context;
 using ::v8::Extension;
 using ::v8::Function;
 using ::v8::FunctionTemplate;
@@ skipping 3274 matching lines @@
       "var obj = intercepted_1;"
       "obj.x = 4;"
       "eval('obj.x');"
       "eval('obj.x');"
       "eval('obj.x');"
       "obj = intercepted_2;"
       "obj.x = 9;"
       "eval('obj.x');",
       9);
 }