Move some Runtime:: functions and remove runtime.h as include when unnecessary.

src/runtime/runtime-numbers.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.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/misc-intrinsics.h"
-#include "src/runtime/runtime.h"
 #include "src/runtime/runtime-utils.h"
 
 
 #ifndef _STLP_VENDOR_CSTD
 // STLPort doesn't import fpclassify and isless into the std namespace.
 using std::fpclassify;
 using std::isless;
 #endif
 
 namespace v8 {
@@ skipping 567 matching lines @@
 
 RUNTIME_FUNCTION(RuntimeReference_IsNonNegativeSmi) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsSmi() &&
                                     Smi::cast(obj)->value() >= 0);
 }
 }
 }  // namespace v8::internal