Moved zones and zone related stuff in its own directory.

src/zone/zone-allocator.h

Index: src/zone/zone-allocator.h
diff --git a/src/zone-allocator.h b/src/zone/zone-allocator.h
similarity index 71%
rename from src/zone-allocator.h
rename to src/zone/zone-allocator.h
index f46151ebc3db0ee40a97c6264bfd742e2189901c..80f9dac05497d1c3ba3e38338ebba10786d89f81 100644
--- a/src/zone-allocator.h
+++ b/src/zone/zone-allocator.h
@@ -7,12 +7,12 @@
 
 #include <limits>
 
-#include "src/zone.h"
+#include "src/zone/zone.h"
 
 namespace v8 {
 namespace internal {
 
-template<typename T>
+template <typename T>
 class zone_allocator {
  public:
   typedef T* pointer;
@@ -22,31 +22,34 @@ class zone_allocator {
   typedef T value_type;
   typedef size_t size_type;
   typedef ptrdiff_t difference_type;
-  template<class O> struct rebind {
+  template <class O>
+  struct rebind {
     typedef zone_allocator<O> other;
   };
 
   explicit zone_allocator(Zone* zone) throw() : zone_(zone) {}
   explicit zone_allocator(const zone_allocator& other) throw()
       : zone_(other.zone_) {}
-  template<typename U> zone_allocator(const zone_allocator<U>& other) throw()
-      : zone_(other.zone_) {}
-  template<typename U> friend class zone_allocator;
+  template <typename U>
+  zone_allocator(const zone_allocator<U>& other) throw() : zone_(other.zone_) {}
+  template <typename U>
+  friend class zone_allocator;
 
-  pointer address(reference x) const {return &x;}
-  const_pointer address(const_reference x) const {return &x;}
+  pointer address(reference x) const { return &x; }
+  const_pointer address(const_reference x) const { return &x; }
 
   pointer allocate(size_type n, const void* hint = 0) {
-    return static_cast<pointer>(zone_->NewArray<value_type>(
-            static_cast<int>(n)));
+    return static_cast<pointer>(
+        zone_->NewArray<value_type>(static_cast<int>(n)));
+  }
+  void deallocate(pointer p, size_type) { /* noop for Zones */
   }
-  void deallocate(pointer p, size_type) { /* noop for Zones */ }
 
   size_type max_size() const throw() {
     return std::numeric_limits<int>::max() / sizeof(value_type);
   }
   void construct(pointer p, const T& val) {
-    new(static_cast<void*>(p)) T(val);
+    new (static_cast<void*>(p)) T(val);
   }
   void destroy(pointer p) { p->~T(); }