Fix crash in debug builds introduced with r21110.

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 479fa895bdfee7a4d3030373f1029f67bf9a05f7..3c6c9f69709e573f232b8d4fcef9b33683c46e23 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -2122,7 +2122,6 @@ class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 1> {
 
   virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
 
-  Handle<Map> transition() const { return hydrogen()->transition_map(); }
   Representation representation() const {
     return hydrogen()->field_representation();
   }
@@ -2703,9 +2702,6 @@ class LChunkBuilder V8_FINAL : public LChunkBuilderBase {
 
   void Abort(BailoutReason reason);
 
-  // Methods for code dependencies.
-  void AddDeprecationDependency(Handle<Map> map);
-
   // Methods for getting operands for Use / Define / Temp.
   LUnallocated* ToUnallocated(Register reg);
   LUnallocated* ToUnallocated(DoubleRegister reg);