[cleanup] Replace ToBooleanICStub::Types with ToBooleanHints

src/crankshaft/mips64/lithium-codegen-mips64.h

Index: src/crankshaft/mips64/lithium-codegen-mips64.h
diff --git a/src/crankshaft/mips64/lithium-codegen-mips64.h b/src/crankshaft/mips64/lithium-codegen-mips64.h
index aaa2e6be17e2212908dc4fe8315aa939fe1a5663..ba332ae3605426beb16a50702e519bdcea0e411e 100644
--- a/src/crankshaft/mips64/lithium-codegen-mips64.h
+++ b/src/crankshaft/mips64/lithium-codegen-mips64.h
@@ -360,24 +360,9 @@ class LCodeGen: public LCodeGenBase {
 
   class PushSafepointRegistersScope final BASE_EMBEDDED {
    public:
-    explicit PushSafepointRegistersScope(LCodeGen* codegen)
-        : codegen_(codegen) {
-      DCHECK(codegen_->info()->is_calling());
-      DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple);
-      codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters;
-
-      StoreRegistersStateStub stub(codegen_->isolate());
-      codegen_->masm_->push(ra);
-      codegen_->masm_->CallStub(&stub);
-    }
-
-    ~PushSafepointRegistersScope() {
-      DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kWithRegisters);
-      RestoreRegistersStateStub stub(codegen_->isolate());
-      codegen_->masm_->push(ra);
-      codegen_->masm_->CallStub(&stub);
-      codegen_->expected_safepoint_kind_ = Safepoint::kSimple;
-    }
+    explicit PushSafepointRegistersScope(LCodeGen* codegen);
+
+    ~PushSafepointRegistersScope();
 
    private:
     LCodeGen* codegen_;