Support for MIPS architecture.

src/mips/virtual-frame-mips.cc

Index: src/mips/virtual-frame-mips.cc
===================================================================
--- src/mips/virtual-frame-mips.cc	(revision 3980)
+++ src/mips/virtual-frame-mips.cc	(working copy)
@@ -32,6 +32,7 @@
 #include "codegen-inl.h"
 #include "register-allocator-inl.h"
 #include "scopes.h"
+#include "virtual-frame-inl.h"
 
 namespace v8 {
 namespace internal {
@@ -41,17 +42,6 @@
 
 #define __ ACCESS_MASM(masm())
 
-
-// On entry to a function, the virtual frame already contains the
-// receiver and the parameters.  All initial frame elements are in
-// memory.
-VirtualFrame::VirtualFrame()
-    : elements_(parameter_count() + local_count() + kPreallocatedElements),
-      stack_pointer_(parameter_count()) {  // 0-based index of TOS.
-  UNIMPLEMENTED_MIPS();
-}
-
-
 void VirtualFrame::SyncElementBelowStackPointer(int index) {
   UNREACHABLE();
 }