[stubs] Introduce a proper ToBooleanStub.

src/crankshaft/hydrogen-osr.cc

Index: src/crankshaft/hydrogen-osr.cc
diff --git a/src/crankshaft/hydrogen-osr.cc b/src/crankshaft/hydrogen-osr.cc
index c98bbf627f958c936492f1b5b2c665d6ec458c41..8de3ac0705c14bde2ad2a91f0a82bfc6f75d1f5e 100644
--- a/src/crankshaft/hydrogen-osr.cc
+++ b/src/crankshaft/hydrogen-osr.cc
@@ -30,7 +30,7 @@ HBasicBlock* HOsrBuilder::BuildOsrLoopEntry(IterationStatement* statement) {
   HBasicBlock* non_osr_entry = graph->CreateBasicBlock();
   osr_entry_ = graph->CreateBasicBlock();
   HValue* true_value = graph->GetConstantTrue();
-  HBranch* test = builder_->New<HBranch>(true_value, ToBooleanStub::Types(),
+  HBranch* test = builder_->New<HBranch>(true_value, ToBooleanICStub::Types(),
                                          non_osr_entry, osr_entry_);
   builder_->FinishCurrentBlock(test);