Clean up some uses of Failures and MaybeObjects.

src/stub-cache.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 414 matching lines @@
   Isolate* isolate() { return isolate_; }
   Heap* heap() { return isolate()->heap(); }
   Factory* factory() { return isolate()->factory(); }
 
   static void GenerateTailCall(MacroAssembler* masm, Handle<Code> code);
 
  private:
   Isolate* isolate_;
   const ExtraICState extra_ic_state_;
   MacroAssembler masm_;
-  Failure* failure_;
 };
 
 
 enum FrontendCheckType { PERFORM_INITIAL_CHECKS, SKIP_INITIAL_CHECKS };
 
 
 class BaseLoadStoreStubCompiler: public StubCompiler {
  public:
   BaseLoadStoreStubCompiler(Isolate* isolate,
                             Code::Kind kind,
@@ skipping 406 matching lines @@
   Handle<JSFunction> constant_function_;
   bool is_simple_api_call_;
   Handle<FunctionTemplateInfo> expected_receiver_type_;
   Handle<CallHandlerInfo> api_call_info_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_