Remove code object from StackHandler.

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index 33747a615aa70146c5c3471dff7b5a2647670997..50541a9e92304995135b301403d09cc6c967b22f 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -69,15 +69,14 @@ class InnerPointerToCodeCache {
 class StackHandlerConstants : public AllStatic {
  public:
   static const int kNextOffset     = 0 * kPointerSize;
-  static const int kCodeOffset     = 1 * kPointerSize;
-  static const int kStateOffset    = 2 * kPointerSize;
+  static const int kStateOffset    = 1 * kPointerSize;
 #if V8_TARGET_LITTLE_ENDIAN || !V8_HOST_ARCH_64_BIT
   static const int kStateIntOffset = kStateOffset;
 #else
   static const int kStateIntOffset = kStateOffset + kIntSize;
 #endif
-  static const int kContextOffset  = 3 * kPointerSize;
-  static const int kFPOffset       = 4 * kPointerSize;
+  static const int kContextOffset  = 2 * kPointerSize;
+  static const int kFPOffset       = 3 * kPointerSize;
 
   static const int kSize = kFPOffset + kFPOnStackSize;
   static const int kSlotCount = kSize >> kPointerSizeLog2;
@@ -116,7 +115,6 @@ class StackHandler BASE_EMBEDDED {
 
   // Accessors.
   inline Context* context() const;
-  inline Code* code() const;
   inline Kind kind() const;
   inline unsigned index() const;
   inline Address frame_pointer() const;
@@ -133,7 +131,6 @@ class StackHandler BASE_EMBEDDED {
 
  private:
   inline Object** context_address() const;
-  inline Object** code_address() const;
   inline void SetFp(Address slot, Address fp);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StackHandler);