Replace OStream with std::ostream.

src/compiler/instruction-selector-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/instruction-selector-unittest.h"
 
 #include "src/compiler/compiler-test-utils.h"
 #include "src/flags.h"
 
 namespace v8 {
@@ skipping 12 matching lines @@
 
 InstructionSelectorTest::~InstructionSelectorTest() {}
 
 
 InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build(
     InstructionSelector::Features features,
     InstructionSelectorTest::StreamBuilderMode mode) {
   Schedule* schedule = Export();
   if (FLAG_trace_turbo) {
     OFStream out(stdout);
-    out << "=== Schedule before instruction selection ===" << endl << *schedule;
+    out << "=== Schedule before instruction selection ===" << std::endl
+        << *schedule;
   }
   EXPECT_NE(0, graph()->NodeCount());
   CompilationInfo info(test_->isolate(), test_->zone());
   Linkage linkage(&info, call_descriptor());
   InstructionSequence sequence(&linkage, graph(), schedule);
   SourcePositionTable source_position_table(graph());
   InstructionSelector selector(&sequence, &source_position_table, features);
   selector.SelectInstructions();
   if (FLAG_trace_turbo) {
     OFStream out(stdout);
-    out << "=== Code sequence after instruction selection ===" << endl
+    out << "=== Code sequence after instruction selection ===" << std::endl
         << sequence;
   }
   Stream s;
   std::set<int> virtual_registers;
   for (InstructionSequence::const_iterator i = sequence.begin();
        i != sequence.end(); ++i) {
     Instruction* instr = *i;
     if (instr->opcode() < 0) continue;
     if (mode == kTargetInstructions) {
       switch (instr->arch_opcode()) {
@@ skipping 453 matching lines @@
   EXPECT_EQ(context2->id(), s.ToVreg(call_instr->InputAt(11)));
   // Continuation.
 
   EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
   EXPECT_EQ(index, s.size());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8