[strong] Refactor out separate strong runtime call for class objects

src/full-codegen/mips64/full-codegen-mips64.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 "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 // Note on Mips implementation:
 //
@@ skipping 2545 matching lines @@
         __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 4);
         break;
 
       default:
         UNREACHABLE();
     }
   }
 
   // Set both the prototype and constructor to have fast properties, and also
   // freeze them in strong mode.
-  __ CallRuntime(is_strong(language_mode())
-                     ? Runtime::kFinalizeClassDefinitionStrong
-                     : Runtime::kFinalizeClassDefinition,
-                 2);
+  __ CallRuntime(Runtime::kFinalizeClassDefinition, 2);
 }
 
 
 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, Token::Value op) {
   __ mov(a0, result_register());
   __ pop(a1);
   Handle<Code> code =
       CodeFactory::BinaryOpIC(isolate(), op, strength(language_mode())).code();
   JumpPatchSite patch_site(masm_);    // unbound, signals no inlined smi code.
   CallIC(code, expr->BinaryOperationFeedbackId());
@@ skipping 2857 matching lines @@
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64