Moved zones and zone related stuff in its own directory.

src/wasm/encoder.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/signature.h"
 
 #include "src/handles.h"
 #include "src/v8.h"
-#include "src/zone-containers.h"
+#include "src/zone/zone-containers.h"
 
 #include "src/wasm/ast-decoder.h"
 #include "src/wasm/encoder.h"
 #include "src/wasm/leb-helper.h"
 #include "src/wasm/wasm-macro-gen.h"
 #include "src/wasm/wasm-module.h"
 #include "src/wasm/wasm-opcodes.h"
 
 #include "src/v8memory.h"
 
@@ skipping 357 matching lines @@
 
     for (auto segment : data_segments_) {
       segment->Write(buffer);
     }
     FixupSection(buffer, start);
   }
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8