Replace OStream with std::ostream.

src/compiler/simplified-operator-unittest.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/simplified-operator.h"
 
 #include "src/compiler/operator-properties-inl.h"
 #include "src/test/test-utils.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-// TODO(bmeurer): Drop once we use std::ostream instead of our OStream.
-inline std::ostream& operator<<(std::ostream& os, const ElementAccess& access) {
-  OStringStream ost;
-  ost << access;
-  return os << ost.c_str();
-}
-
-
 // -----------------------------------------------------------------------------
 // Pure operators.
 
 
 namespace {
 
 struct PureOperator {
   const Operator* (SimplifiedOperatorBuilder::*constructor)();
   IrOpcode::Value opcode;
   Operator::Properties properties;
@@ skipping 181 matching lines @@
 }
 
 
 INSTANTIATE_TEST_CASE_P(SimplifiedOperatorTest,
                         SimplifiedElementAccessOperatorTest,
                         ::testing::ValuesIn(kElementAccesses));
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8