Move tracing code in content\browser to content\browser\tracing now that there's a separate directo…

content/browser/trace_subscriber_stdio_unittest.cc

-// Copyright (c) 2012 The Chromium 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 "content/browser/trace_subscriber_stdio.h"
-
-#include "base/files/scoped_temp_dir.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "content/public/browser/browser_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class TraceSubscriberStdioTest : public ::testing::Test {};
-
-TEST_F(TraceSubscriberStdioTest, CanWriteDataToFile) {
-  base::ScopedTempDir trace_dir;
-  ASSERT_TRUE(trace_dir.CreateUniqueTempDir());
-  FilePath trace_file(trace_dir.path().AppendASCII("trace.txt"));
-  {
-    TraceSubscriberStdio subscriber(trace_file);
-
-    std::string foo("foo");
-    subscriber.OnTraceDataCollected(
-        make_scoped_refptr(base::RefCountedString::TakeString(&foo)));
-
-    std::string bar("bar");
-    subscriber.OnTraceDataCollected(
-        make_scoped_refptr(base::RefCountedString::TakeString(&bar)));
-
-    subscriber.OnEndTracingComplete();
-  }
-  BrowserThread::GetBlockingPool()->FlushForTesting();
-  std::string result;
-  EXPECT_TRUE(file_util::ReadFileToString(trace_file, &result));
-  EXPECT_EQ("[foo,bar]", result);
-}
-
-}  // namespace content