[cleanup] Replace ToBooleanICStub::Types with ToBooleanHints

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

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_
 #define V8_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_
 
 #include "src/ast/scopes.h"
 #include "src/crankshaft/lithium-codegen.h"
 #include "src/crankshaft/mips/lithium-gap-resolver-mips.h"
@@ skipping 339 matching lines @@
   // itself is emitted at the end of the generated code.
   SafepointTableBuilder safepoints_;
 
   // Compiler from a set of parallel moves to a sequential list of moves.
   LGapResolver resolver_;
 
   Safepoint::Kind expected_safepoint_kind_;
 
   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;
+    explicit PushSafepointRegistersScope(LCodeGen* codegen);
 
-      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;
-    }
+    ~PushSafepointRegistersScope();
 
    private:
     LCodeGen* codegen_;
   };
 
   friend class LDeferredCode;
   friend class LEnvironment;
   friend class SafepointGenerator;
   DISALLOW_COPY_AND_ASSIGN(LCodeGen);
 };
@@ skipping 26 matching lines @@
   Label entry_;
   Label exit_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_MIPS_LITHIUM_CODEGEN_MIPS_H_