Replace OStream with std::ostream.

src/runtime/runtime-test.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/deoptimizer.h"
 #include "src/full-codegen.h"
 #include "src/runtime/runtime.h"
@@ skipping 197 matching lines @@
   }
   args[0]->Print(os);
   if (args[0]->IsHeapObject()) {
     os << "\n";
     HeapObject::cast(args[0])->map()->Print(os);
   }
 #else
   // ShortPrint is available in release mode. Print is not.
   os << Brief(args[0]);
 #endif
-  os << endl;
+  os << std::endl;
 
   return args[0];  // return TOS
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugTrace) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 0);
   isolate->PrintStack(stdout);
   return isolate->heap()->undefined_value();
@@ skipping 162 matching lines @@
   RUNTIME_FUNCTION(Runtime_HasFixed##Type##Elements) {                        \
     CONVERT_ARG_CHECKED(JSObject, obj, 0);                                    \
     return isolate->heap()->ToBoolean(obj->HasFixed##Type##Elements());       \
   }
 
 TYPED_ARRAYS(FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION)
 
 #undef FIXED_TYPED_ARRAYS_CHECK_RUNTIME_FUNCTION
 }
 }  // namespace v8::internal