Revert of Array length reduction should throw in strict mode if it can't delete an element.

src/arguments.cc

Index: src/arguments.cc
diff --git a/src/arguments.cc b/src/arguments.cc
index 077991bbee9390b1ba4b0e389c4ab0e273f594c3..a783357896cc8f5b294cd86128915e4b1e6704f2 100644
--- a/src/arguments.cc
+++ b/src/arguments.cc
@@ -70,14 +70,16 @@
   }
 
 
-#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2)               \
-  void PropertyCallbackArguments::Call(Function f, Arg1 arg1, Arg2 arg2) { \
-    Isolate* isolate = this->isolate();                                    \
-    VMState<EXTERNAL> state(isolate);                                      \
-    ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));           \
-    PropertyCallbackInfo<ReturnValue> info(begin());                       \
-    f(arg1, arg2, info);                                                   \
-  }
+#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2)                   \
+void PropertyCallbackArguments::Call(Function f,                               \
+                                     Arg1 arg1,                                \
+                                     Arg2 arg2) {                              \
+  Isolate* isolate = this->isolate();                                          \
+  VMState<EXTERNAL> state(isolate);                                            \
+  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));                 \
+  PropertyCallbackInfo<ReturnValue> info(begin());                             \
+  f(arg1, arg2, info);                                                         \
+}
 
 
 FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0)