Revert of [handles] Sanitize Handle and friends.

src/api.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_API_H_
 #define V8_API_H_
 
 #include "src/v8.h"
 
 #include "include/v8-testing.h"
@@ skipping 291 matching lines @@
   static inline v8::internal::Handle<To> OpenHandle(v8::Local<From> handle) {
     return OpenHandle(*handle);
   }
 
  private:
   static void ReportApiFailure(const char* location, const char* message);
 };
 
 
 template <class T>
+v8::internal::Handle<T> v8::internal::Handle<T>::EscapeFrom(
+    v8::EscapableHandleScope* scope) {
+  v8::internal::Handle<T> handle;
+  if (!is_null()) {
+    handle = *this;
+  }
+  return Utils::OpenHandle(*scope->Escape(Utils::ToLocal(handle)), true);
+}
+
+
+template <class T>
 inline T* ToApi(v8::internal::Handle<v8::internal::Object> obj) {
   return reinterpret_cast<T*>(obj.location());
 }
 
 template <class T>
 inline v8::Local<T> ToApiHandle(
     v8::internal::Handle<v8::internal::Object> obj) {
   return Utils::Convert<v8::internal::Object, T>(obj);
 }
 
@@ skipping 383 matching lines @@
     stress_type_ = stress_type;
   }
 
  private:
   static v8::Testing::StressType stress_type_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_API_H_