Replace OStream with std::ostream.

src/compiler/machine-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/machine-operator.h"
 #include "src/compiler/operator-properties-inl.h"
 #include "testing/gtest-support.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 #if GTEST_HAS_COMBINE
 
-// TODO(bmeurer): Find a new home for these.
-inline std::ostream& operator<<(std::ostream& os, const MachineType& type) {
-  OStringStream ost;
-  ost << type;
-  return os << ost.c_str();
-}
-inline std::ostream& operator<<(std::ostream& os,
-                         const WriteBarrierKind& write_barrier_kind) {
-  OStringStream ost;
-  ost << write_barrier_kind;
-  return os << ost.c_str();
-}
-
-
 template <typename T>
 class MachineOperatorTestWithParam
     : public ::testing::TestWithParam< ::testing::tuple<MachineType, T> > {
  protected:
   MachineType type() const { return ::testing::get<0>(B::GetParam()); }
   const T& GetParam() const { return ::testing::get<1>(B::GetParam()); }
 
  private:
   typedef ::testing::TestWithParam< ::testing::tuple<MachineType, T> > B;
 };
@@ skipping 277 matching lines @@
   EXPECT_EQ(machine.Int64UDiv(), machine.IntUDiv());
   EXPECT_EQ(machine.Int64Mod(), machine.IntMod());
   EXPECT_EQ(machine.Int64UMod(), machine.IntUMod());
   EXPECT_EQ(machine.Int64LessThan(), machine.IntLessThan());
   EXPECT_EQ(machine.Int64LessThanOrEqual(), machine.IntLessThanOrEqual());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8