Remove obsolete instruction HOuterContext.

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 dc58b4482594da04b4718bf900bb862613c011a5..aefdea5aef8a41fb3f745ae15a9fea1abc151d54 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -144,7 +144,6 @@ class LCodeGen;
   V(NumberTagU)                                 \
   V(NumberUntagD)                               \
   V(OsrEntry)                                   \
-  V(OuterContext)                               \
   V(Parameter)                                  \
   V(Power)                                      \
   V(PushArgument)                               \
@@ -1753,18 +1752,6 @@ class LContext V8_FINAL : public LTemplateInstruction<1, 0, 0> {
 };
 
 
-class LOuterContext V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LOuterContext(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(OuterContext, "outer-context")
-};
-
-
 class LDeclareGlobals V8_FINAL : public LTemplateInstruction<0, 1, 0> {
  public:
   explicit LDeclareGlobals(LOperand* context) {