Remove strong mode support from property loads.

src/ic/handler-compiler.h

 // Copyright 2014 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_IC_HANDLER_COMPILER_H_
 #define V8_IC_HANDLER_COMPILER_H_
 
 #include "src/ic/access-compiler.h"
 #include "src/ic/ic-state.h"
 
@@ skipping 277 matching lines @@
 class ElementHandlerCompiler : public PropertyHandlerCompiler {
  public:
   explicit ElementHandlerCompiler(Isolate* isolate)
       : PropertyHandlerCompiler(isolate, Code::KEYED_LOAD_IC,
                                 Handle<Map>::null(), Handle<JSObject>::null(),
                                 kCacheOnReceiver) {}
 
   virtual ~ElementHandlerCompiler() {}
 
   void CompileElementHandlers(MapHandleList* receiver_maps,
-                              CodeHandleList* handlers,
-                              LanguageMode language_mode);
+                              CodeHandleList* handlers);
 
   static void GenerateStoreSlow(MacroAssembler* masm);
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_IC_HANDLER_COMPILER_H_