Move platform abstraction to base library

test/cctest/test-js-arm64-variables.cc

 // Copyright 2010 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 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Adapted from test/mjsunit/compiler/variables.js
 
 #include <limits.h>
 
 #include "src/v8.h"
 
 #include "src/api.h"
+#include "src/base/platform/platform.h"
 #include "src/compilation-cache.h"
 #include "src/execution.h"
 #include "src/isolate.h"
 #include "src/parser.h"
-#include "src/platform.h"
 #include "src/snapshot.h"
 #include "src/unicode-inl.h"
 #include "src/utils.h"
 #include "test/cctest/cctest.h"
 
 using ::v8::Context;
 using ::v8::Extension;
 using ::v8::Function;
 using ::v8::FunctionTemplate;
 using ::v8::Handle;
@@ skipping 84 matching lines @@
 TEST(lookup_slots) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   Local<Value> result = CompileRun(
 "function f5(x) {"
 "  with ({}) return x;"
 "}"
 "f5(5);");
   ExpectInt32(5, result);
 }