Make isolate.h usable without objects-inl.h header.

src/ic/mips64/handler-compiler-mips64.cc

 // Copyright 2014 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.
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
+#include "src/isolate-inl.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 
 void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
     MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder,
     int accessor_index, int expected_arguments, Register scratch) {
@@ skipping 749 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64