Moved zones and zone related stuff in its own directory.

src/interpreter/interpreter.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 "src/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
 #include "src/code-factory.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
 #include "src/factory.h"
 #include "src/interpreter/bytecode-flags.h"
 #include "src/interpreter/bytecode-generator.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/interpreter/interpreter-assembler.h"
 #include "src/interpreter/interpreter-intrinsics.h"
 #include "src/log.h"
-#include "src/zone.h"
+#include "src/zone/zone.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 using compiler::Node;
 typedef CodeStubAssembler::Label Label;
 typedef CodeStubAssembler::Variable Variable;
 typedef InterpreterAssembler::Arg Arg;
 
@@ skipping 2434 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8