Remove strong mode support from property loads.

src/crankshaft/hydrogen.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_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast/ast.h"
@@ skipping 1329 matching lines @@
   void BuildTestForDictionaryProperties(HValue* object,
                                         HIfContinuation* continuation);
 
   void BuildNonGlobalObjectCheck(HValue* receiver);
 
   HValue* BuildKeyedLookupCacheHash(HValue* object,
                                     HValue* key);
 
   HValue* BuildUncheckedDictionaryElementLoad(HValue* receiver,
                                               HValue* elements, HValue* key,
-                                              HValue* hash,
-                                              LanguageMode language_mode);
+                                              HValue* hash);
 
   // ES6 section 7.4.7 CreateIterResultObject ( value, done )
   HValue* BuildCreateIterResultObject(HValue* value, HValue* done);
 
   HValue* BuildRegExpConstructResult(HValue* length,
                                      HValue* index,
                                      HValue* input);
 
   // Allocates a new object according with the given allocation properties.
   HAllocate* BuildAllocate(HValue* object_size,
@@ skipping 1674 matching lines @@
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_