Moved zones and zone related stuff in its own directory.

test/cctest/wasm/test-run-wasm.cc

Index: test/cctest/wasm/test-run-wasm.cc
diff --git a/test/cctest/wasm/test-run-wasm.cc b/test/cctest/wasm/test-run-wasm.cc
index f68980d992eacab1400d31a3dde02ce201803e14..48dcad51768603b4dc6e7a5657d2d7fabaad9cf5 100644
--- a/test/cctest/wasm/test-run-wasm.cc
+++ b/test/cctest/wasm/test-run-wasm.cc
@@ -2113,7 +2113,7 @@ static void Run_WasmMixedCall_N(WasmExecutionMode execution_mode, int start) {
 
   int num_params = static_cast<int>(arraysize(mixed)) - start;
   for (int which = 0; which < num_params; ++which) {
-    v8::base::AccountingAllocator allocator;
+    v8::internal::AccountingAllocator allocator;
     Zone zone(&allocator);
     TestingModule module(execution_mode);
     module.AddMemory(1024);
@@ -2641,7 +2641,7 @@ static void CompileCallIndirectMany(LocalType param) {
   // with many many parameters.
   TestSignatures sigs;
   for (byte num_params = 0; num_params < 40; ++num_params) {
-    v8::base::AccountingAllocator allocator;
+    v8::internal::AccountingAllocator allocator;
     Zone zone(&allocator);
     HandleScope scope(CcTest::InitIsolateOnce());
     TestingModule module(kExecuteCompiled);