Revert the change adding CompilationHandleScope.

src/handles.cc

Index: src/handles.cc
diff --git a/src/handles.cc b/src/handles.cc
index 1962e2f651b1a11cf11f5cf4fb187aabaddfa612..def1604ac7438c5769a0cb6287fd009dee54758d 100644
--- a/src/handles.cc
+++ b/src/handles.cc
@@ -958,45 +958,4 @@ int Utf8Length(Handle<String> str) {
   return len;
 }
 
-
-DeferredHandleScope::DeferredHandleScope(Isolate* isolate)
-    : impl_(isolate->handle_scope_implementer()) {
-  impl_->BeginDeferredScope();
-  Object** new_next = impl_->GetSpareOrNewBlock();
-  Object** new_limit = &new_next[kHandleBlockSize];
-  impl_->blocks()->Add(new_next);
-
-  v8::ImplementationUtilities::HandleScopeData* data =
-      impl_->isolate()->handle_scope_data();
-#ifdef DEBUG
-  prev_level_ = data->level;
-#endif
-  data->level++;
-  prev_limit_ = data->limit;
-  prev_next_ = data->next;
-  data->next = new_next;
-  data->limit = new_limit;
-}
-
-
-DeferredHandleScope::~DeferredHandleScope() {
-  impl_->isolate()->handle_scope_data()->level--;
-  ASSERT(handles_detached_);
-  ASSERT(impl_->isolate()->handle_scope_data()->level == prev_level_);
-}
-
-
-DeferredHandles* DeferredHandleScope::Detach() {
-  DeferredHandles* deferred = impl_->Detach(prev_limit_);
-  v8::ImplementationUtilities::HandleScopeData* data =
-      impl_->isolate()->handle_scope_data();
-  data->next = prev_next_;
-  data->limit = prev_limit_;
-#ifdef DEBUG
-  handles_detached_ = true;
-#endif
-  return deferred;
-}
-
-
 } }  // namespace v8::internal