Remove unused trigonometric code.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 28ae469b99440a07311234b8f87630d71cfb60d3..bba3acaa9a55ac059287d801acc552a7f6f70d69 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -4197,39 +4197,6 @@ void LCodeGen::DoMathExp(LMathExp* instr) {
 }
 
 
-void LCodeGen::DoMathTan(LMathTan* instr) {
-  ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
-  // Set the context register to a GC-safe fake value. Clobbering it is
-  // OK because this instruction is marked as a call.
-  __ Set(esi, Immediate(0));
-  TranscendentalCacheStub stub(TranscendentalCache::TAN,
-                               TranscendentalCacheStub::UNTAGGED);
-  CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);
-}
-
-
-void LCodeGen::DoMathCos(LMathCos* instr) {
-  ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
-  // Set the context register to a GC-safe fake value. Clobbering it is
-  // OK because this instruction is marked as a call.
-  __ Set(esi, Immediate(0));
-  TranscendentalCacheStub stub(TranscendentalCache::COS,
-                               TranscendentalCacheStub::UNTAGGED);
-  CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);
-}
-
-
-void LCodeGen::DoMathSin(LMathSin* instr) {
-  ASSERT(ToDoubleRegister(instr->result()).is(xmm1));
-  // Set the context register to a GC-safe fake value. Clobbering it is
-  // OK because this instruction is marked as a call.
-  __ Set(esi, Immediate(0));
-  TranscendentalCacheStub stub(TranscendentalCache::SIN,
-                               TranscendentalCacheStub::UNTAGGED);
-  CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr);
-}
-
-
 void LCodeGen::DoInvokeFunction(LInvokeFunction* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->function()).is(edi));