Move (uppercase) JS builtins from js builtins object to native context.

src/full-codegen/arm/full-codegen-arm.cc

Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index 1eef47c0edda1fe6e63b2ab0c474f8a0a804a9eb..598d8e9f6e2af813515a1d6a70591757c6d32318 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -156,7 +156,7 @@ void FullCodeGenerator::Generate() {
         __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
         __ cmp(r9, Operand(r2));
         __ b(hs, &ok);
-        __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION);
+        __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION);
         __ bind(&ok);
       }
       __ LoadRoot(r9, Heap::kUndefinedValueRootIndex);
@@ -1908,7 +1908,8 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     __ Push(r0);
     if (subexpr->IsSpread()) {
       VisitForStackValue(subexpr->AsSpread()->expression());
-      __ InvokeBuiltin(Builtins::CONCAT_ITERABLE_TO_ARRAY, CALL_FUNCTION);
+      __ InvokeBuiltin(Context::CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX,
+                       CALL_FUNCTION);
     } else {
       VisitForStackValue(subexpr);
       __ CallRuntime(Runtime::kAppendElement, 2);
@@ -5049,7 +5050,7 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
   switch (op) {
     case Token::IN:
       VisitForStackValue(expr->right());
-      __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION);
+      __ InvokeBuiltin(Context::IN_BUILTIN_INDEX, CALL_FUNCTION);
       PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
       __ CompareRoot(r0, Heap::kTrueValueRootIndex);
       Split(eq, if_true, if_false, fall_through);