Remove the HValueOf instruction.

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 5250c63c450ec7bd11bbab4e2332268327f7a251..33d0def1455e4badfac86efcf9d486d8aca62e49 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -175,7 +175,6 @@ class LCodeGen;
   V(Uint32ToDouble)                             \
   V(Uint32ToSmi)                                \
   V(UnknownOSRValue)                            \
-  V(ValueOf)                                    \
   V(WrapReceiver)
 
 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)                        \
@@ -1288,21 +1287,6 @@ class LElementsKind V8_FINAL : public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LValueOf V8_FINAL : public LTemplateInstruction<1, 1, 1> {
- public:
-  LValueOf(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ValueOf, "value-of")
-  DECLARE_HYDROGEN_ACCESSOR(ValueOf)
-};
-
-
 class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 1> {
  public:
   LDateField(LOperand* date, LOperand* temp, Smi* index) : index_(index) {