Revert the change adding CompilationHandleScope.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 06a056a9173e372f117f5bcbc37e233ca75f8b88..d35532f04583f2fcf6ba934d87d42cae3c481d4c 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -61,8 +61,7 @@ CompilationInfo::CompilationInfo(Handle<Script> script, Zone* zone)
       extension_(NULL),
       pre_parse_data_(NULL),
       osr_ast_id_(AstNode::kNoNumber),
-      zone_(zone),
-      deferred_handles_(NULL) {
+      zone_(zone) {
   Initialize(BASE);
 }
 
@@ -80,8 +79,7 @@ CompilationInfo::CompilationInfo(Handle<SharedFunctionInfo> shared_info,
       extension_(NULL),
       pre_parse_data_(NULL),
       osr_ast_id_(AstNode::kNoNumber),
-      zone_(zone),
-      deferred_handles_(NULL) {
+      zone_(zone) {
   Initialize(BASE);
 }
 
@@ -99,17 +97,11 @@ CompilationInfo::CompilationInfo(Handle<JSFunction> closure, Zone* zone)
       extension_(NULL),
       pre_parse_data_(NULL),
       osr_ast_id_(AstNode::kNoNumber),
-      zone_(zone),
-      deferred_handles_(NULL) {
+      zone_(zone) {
   Initialize(BASE);
 }
 
 
-CompilationInfo::~CompilationInfo() {
-  delete deferred_handles_;
-}
-
-
 // Disable optimization for the rest of the compilation pipeline.
 void CompilationInfo::DisableOptimization() {
   bool is_optimizable_closure =