Replace OStream with std::ostream.

src/runtime/runtime-debug.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/accessors.h"
 #include "src/arguments.h"
 #include "src/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 2469 matching lines @@
   HandleScope scope(isolate);
 #ifdef DEBUG
   DCHECK(args.length() == 1);
   // Get the function and make sure it is compiled.
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, func, 0);
   if (!Compiler::EnsureCompiled(func, KEEP_EXCEPTION)) {
     return isolate->heap()->exception();
   }
   OFStream os(stdout);
   func->code()->Print(os);
-  os << endl;
+  os << std::endl;
 #endif  // DEBUG
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugDisassembleConstructor) {
   HandleScope scope(isolate);
 #ifdef DEBUG
   DCHECK(args.length() == 1);
   // Get the function and make sure it is compiled.
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, func, 0);
   if (!Compiler::EnsureCompiled(func, KEEP_EXCEPTION)) {
     return isolate->heap()->exception();
   }
   OFStream os(stdout);
   func->shared()->construct_stub()->Print(os);
-  os << endl;
+  os << std::endl;
 #endif  // DEBUG
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_FunctionGetInferredName) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
 
   CONVERT_ARG_CHECKED(JSFunction, f, 0);
@@ skipping 209 matching lines @@
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(RuntimeReference_DebugIsActive) {
   SealHandleScope shs(isolate);
   return Smi::FromInt(isolate->debug()->is_active());
 }
 }
 }  // namespace v8::internal