Revert of [strong] Implement strong mode restrictions on property access

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index eeeef2c9f4ca2445c53a699d6c7ee28bfc61204d..4573da151279d68dab655dbf0cbd587a40c7c892 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -62,7 +62,8 @@
   HContext* context() { return context_; }
   Isolate* isolate() { return info_->isolate(); }
 
-  HLoadNamedField* BuildLoadNamedField(HValue* object, FieldIndex index);
+  HLoadNamedField* BuildLoadNamedField(HValue* object,
+                                       FieldIndex index);
   void BuildStoreNamedField(HValue* object, HValue* value, FieldIndex index,
                             Representation representation,
                             bool transition_to_field);
@@ -1900,8 +1901,7 @@
 
   HValue* hash = BuildElementIndexHash(key);
 
-  return BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash,
-                                             casted_stub()->language_mode());
+  return BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash);
 }
 
 
@@ -2015,6 +2015,7 @@
 HValue* CodeStubGraphBuilder<KeyedLoadGenericStub>::BuildCodeStub() {
   HValue* receiver = GetParameter(LoadDescriptor::kReceiverIndex);
   HValue* key = GetParameter(LoadDescriptor::kNameIndex);
+
   // Split into a smi/integer case and unique string case.
   HIfContinuation index_name_split_continuation(graph()->CreateBasicBlock(),
                                                 graph()->CreateBasicBlock());
@@ -2058,8 +2059,7 @@
 
       HValue* hash = BuildElementIndexHash(key);
 
-      Push(BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash,
-                                               casted_stub()->language_mode()));
+      Push(BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash));
     }
     kind_if.Else();
 
@@ -2137,8 +2137,10 @@
 
       hash = AddUncasted<HShr>(hash, Add<HConstant>(Name::kHashShift));
 
-      HValue* value = BuildUncheckedDictionaryElementLoad(
-          receiver, properties, key, hash, casted_stub()->language_mode());
+      HValue* value = BuildUncheckedDictionaryElementLoad(receiver,
+                                                          properties,
+                                                          key,
+                                                          hash);
       Push(value);
     }
     if_dict_properties.Else();
@@ -2213,11 +2215,10 @@
       inline_or_runtime.Else();
       {
         // KeyedLookupCache miss; call runtime.
-        Add<HPushArguments>(receiver, key,
-                            Add<HConstant>(casted_stub()->language_mode()));
+        Add<HPushArguments>(receiver, key);
         Push(Add<HCallRuntime>(
             isolate()->factory()->empty_string(),
-            Runtime::FunctionForId(Runtime::kKeyedGetProperty), 3));
+            Runtime::FunctionForId(Runtime::kKeyedGetProperty), 2));
       }
       inline_or_runtime.End();
     }