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

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 05fa8135ddf16110a28db9592a86d8dc1883e440..a126e55ac671fb5a73c86eb299ac80106ac3000b 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1324,18 +1324,16 @@ const Operand& rt = Operand(zero_reg), BranchDelaySlot bd = PROTECT
   void JumpToExternalReference(const ExternalReference& builtin,
                                BranchDelaySlot bd = PROTECT);
 
-  // Invoke specified builtin JavaScript function. Adds an entry to
-  // the unresolved list if the name does not resolve.
-  void InvokeBuiltin(Builtins::JavaScript id,
-                     InvokeFlag flag,
+  // Invoke specified builtin JavaScript function.
+  void InvokeBuiltin(int native_context_index, InvokeFlag flag,
                      const CallWrapper& call_wrapper = NullCallWrapper());
 
   // Store the code object for the given builtin in the target register and
   // setup the function in a1.
-  void GetBuiltinEntry(Register target, Builtins::JavaScript id);
+  void GetBuiltinEntry(Register target, int native_context_index);
 
   // Store the function for the given builtin in the target register.
-  void GetBuiltinFunction(Register target, Builtins::JavaScript id);
+  void GetBuiltinFunction(Register target, int native_context_index);
 
   struct Unresolved {
     int pc;
@@ -1660,10 +1658,6 @@ const Operand& rt = Operand(zero_reg), BranchDelaySlot bd = PROTECT
                       InvokeFlag flag,
                       const CallWrapper& call_wrapper);
 
-  // Get the code for the given builtin. Returns if able to resolve
-  // the function in the 'resolved' flag.
-  Handle<Code> ResolveBuiltin(Builtins::JavaScript id, bool* resolved);
-
   void InitializeNewString(Register string,
                            Register length,
                            Heap::RootListIndex map_index,