MIPS: Lithium codegen should not pass around block_ids.

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index 9a8f7e302af3706808d793bd638cb954ac83001b..75a03be6cd0cccbbebb2b2b47afd26dc63c4e41c 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -78,7 +78,6 @@ class LCodeGen BASE_EMBEDDED {
   Heap* heap() const { return isolate()->heap(); }
   Zone* zone() const { return zone_; }
 
-  // TODO(svenpanne) Use this consistently.
   int LookupDestination(int block_id) const {
     return chunk()->LookupDestination(block_id);
   }
@@ -322,13 +321,13 @@ class LCodeGen BASE_EMBEDDED {
 
   static Condition TokenToCondition(Token::Value op, bool is_unsigned);
   void EmitGoto(int block);
-  void EmitBranch(int left_block,
-                  int right_block,
+  template<class InstrType>
+  void EmitBranch(InstrType instr,
                   Condition cc,
                   Register src1,
                   const Operand& src2);
-  void EmitBranchF(int left_block,
-                   int right_block,
+  template<class InstrType>
+  void EmitBranchF(InstrType instr,
                    Condition cc,
                    FPURegister src1,
                    FPURegister src2);