Remove GenerateBooleanCheck() since we have a boolean map now.

src/mips/stub-cache-mips.cc

 // 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.
 
 #include "v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "ic-inl.h"
 #include "codegen.h"
@@ skipping 1140 matching lines @@
     PushInterceptorArguments(masm(), receiver(), holder_reg,
                              this->name(), interceptor_holder);
 
     ExternalReference ref = ExternalReference(
         IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), isolate());
     __ TailCallExternalReference(ref, StubCache::kInterceptorArgsLength, 1);
   }
 }
 
 
-void StubCompiler::GenerateBooleanCheck(Register object, Label* miss) {
-  Label success;
-  // Check that the object is a boolean.
-  __ LoadRoot(at, Heap::kTrueValueRootIndex);
-  __ Branch(&success, eq, object, Operand(at));
-  __ LoadRoot(at, Heap::kFalseValueRootIndex);
-  __ Branch(miss, ne, object, Operand(at));
-  __ bind(&success);
-}
-
-
 Handle<Code> StoreStubCompiler::CompileStoreCallback(
     Handle<JSObject> object,
     Handle<JSObject> holder,
     Handle<Name> name,
     Handle<ExecutableAccessorInfo> callback) {
   Register holder_reg = HandlerFrontend(
       IC::CurrentTypeOf(object, isolate()), receiver(), holder, name);
 
   // Stub never generated for non-global objects that require access
   // checks.
@@ skipping 344 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS