[stubs] Introduce a proper ToBooleanStub.

src/crankshaft/ia32/lithium-ia32.cc

Index: src/crankshaft/ia32/lithium-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-ia32.cc b/src/crankshaft/ia32/lithium-ia32.cc
index a7ea51489a54c6358c0e055385258c662e0ab06b..d6117379dee07fa0a8248e98d9ca87227cdd7f6e 100644
--- a/src/crankshaft/ia32/lithium-ia32.cc
+++ b/src/crankshaft/ia32/lithium-ia32.cc
@@ -936,15 +936,15 @@ LInstruction* LChunkBuilder::DoBranch(HBranch* instr) {
   HValue* value = instr->value();
   Representation r = value->representation();
   HType type = value->type();
-  ToBooleanStub::Types expected = instr->expected_input_types();
-  if (expected.IsEmpty()) expected = ToBooleanStub::Types::Generic();
+  ToBooleanICStub::Types expected = instr->expected_input_types();
+  if (expected.IsEmpty()) expected = ToBooleanICStub::Types::Generic();
 
   bool easy_case = !r.IsTagged() || type.IsBoolean() || type.IsSmi() ||
       type.IsJSArray() || type.IsHeapNumber() || type.IsString();
   LOperand* temp = !easy_case && expected.NeedsMap() ? TempRegister() : NULL;
   LInstruction* branch = new(zone()) LBranch(UseRegister(value), temp);
   if (!easy_case &&
-      ((!expected.Contains(ToBooleanStub::SMI) && expected.NeedsMap()) ||
+      ((!expected.Contains(ToBooleanICStub::SMI) && expected.NeedsMap()) ||
        !expected.IsGeneric())) {
     branch = AssignEnvironment(branch);
   }