Kiss goodbye to MaybeObject.

src/isolate.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_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include "../include/v8-debug.h"
 #include "allocation.h"
 #include "assert-scope.h"
@@ skipping 645 matching lines @@
 
   // This method is called by the api after operations that may throw
   // exceptions.  If an exception was thrown and not handled by an external
   // handler the exception is scheduled to be rethrown when we return to running
   // JavaScript code.  If an exception is scheduled true is returned.
   bool OptionalRescheduleException(bool is_bottom_call);
 
   class ExceptionScope {
    public:
     explicit ExceptionScope(Isolate* isolate) :
-      // Scope currently can only be used for regular exceptions, not
-      // failures like OOM or termination exception.
+      // Scope currently can only be used for regular exceptions,
+      // not termination exception.
       isolate_(isolate),
       pending_exception_(isolate_->pending_exception(), isolate_),
       catcher_(isolate_->catcher())
     { }
 
     ~ExceptionScope() {
       isolate_->set_catcher(catcher_);
       isolate_->set_pending_exception(*pending_exception_);
     }
 
@@ skipping 813 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_