Moved zones and zone related stuff in its own directory.

test/cctest/test-ast.cc

Index: test/cctest/test-ast.cc
diff --git a/test/cctest/test-ast.cc b/test/cctest/test-ast.cc
index d5df5714fd1bee9992da6e52fce2903178161980..5512bfce962405486ad295970cd3e0bab592aa5a 100644
--- a/test/cctest/test-ast.cc
+++ b/test/cctest/test-ast.cc
@@ -30,6 +30,7 @@
 #include "src/v8.h"
 
 #include "src/ast/ast.h"
+#include "src/zone/accounting-allocator.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
@@ -38,7 +39,7 @@ TEST(List) {
   List<AstNode*>* list = new List<AstNode*>(0);
   CHECK_EQ(0, list->length());
 
-  v8::base::AccountingAllocator allocator;
+  v8::internal::AccountingAllocator allocator;
   Zone zone(&allocator);
   AstValueFactory value_factory(&zone, 0);
   AstNodeFactory factory(&value_factory);
@@ -60,7 +61,7 @@ TEST(List) {
 }
 
 TEST(ConcatStrings) {
-  v8::base::AccountingAllocator allocator;
+  v8::internal::AccountingAllocator allocator;
   Zone zone(&allocator);
   AstValueFactory value_factory(&zone, 0);