Replace OStream with std::ostream.

src/compiler/machine-operator.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/compiler/machine-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-OStream& operator<<(OStream& os, const WriteBarrierKind& write_barrier_kind) {
+std::ostream& operator<<(std::ostream& os,
+                         const WriteBarrierKind& write_barrier_kind) {
   switch (write_barrier_kind) {
     case kNoWriteBarrier:
       return os << "NoWriteBarrier";
     case kFullWriteBarrier:
       return os << "FullWriteBarrier";
   }
   UNREACHABLE();
   return os;
 }
 
 
-OStream& operator<<(OStream& os, const StoreRepresentation& rep) {
+std::ostream& operator<<(std::ostream& os, const StoreRepresentation& rep) {
   return os << "(" << rep.machine_type() << " : " << rep.write_barrier_kind()
             << ")";
 }
 
 
 template <>
 struct StaticParameterTraits<StoreRepresentation> {
-  static OStream& PrintTo(OStream& os, const StoreRepresentation& rep) {
+  static std::ostream& PrintTo(std::ostream& os,
+                               const StoreRepresentation& rep) {
     return os << rep;
   }
   static int HashCode(const StoreRepresentation& rep) {
     return rep.machine_type() + rep.write_barrier_kind();
   }
   static bool Equals(const StoreRepresentation& rep1,
                      const StoreRepresentation& rep2) {
     return rep1 == rep2;
   }
 };
 
 
 template <>
 struct StaticParameterTraits<LoadRepresentation> {
-  static OStream& PrintTo(OStream& os, LoadRepresentation type) {  // NOLINT
+  static std::ostream& PrintTo(std::ostream& os,
+                               LoadRepresentation type) {  // NOLINT
     return os << type;
   }
   static int HashCode(LoadRepresentation type) { return type; }
   static bool Equals(LoadRepresentation lhs, LoadRepresentation rhs) {
     return lhs == rhs;
   }
 };
 
 
 #define PURE_OP_LIST(V)                                                       \
@@ skipping 174 matching lines @@
     default:
       break;
   }
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8