Delete system_wrappers logging facility.

webrtc/system_wrappers/source/logging_unittest.cc

-/*
- *  Copyright (c) 2012 The WebRTC 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 in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/system_wrappers/include/logging.h"
-
-#include "webrtc/base/arraysize.h"
-#include "webrtc/base/event.h"
-#include "webrtc/system_wrappers/include/trace.h"
-#include "webrtc/test/gtest.h"
-
-namespace webrtc {
-namespace {
-const char kTestLogString[] = "Incredibly important test message!(?)";
-const int kTestLevel = kTraceWarning;
-
-class LoggingTestCallback : public TraceCallback {
- public:
-  LoggingTestCallback(rtc::Event* event) : event_(event) {}
-
- private:
-  void Print(TraceLevel level, const char* msg, int length) override {
-    if (static_cast<size_t>(length) < arraysize(kTestLogString) ||
-        level != kTestLevel) {
-      return;
-    }
-
-    std::string msg_str(msg, length);
-    if (msg_str.find(kTestLogString) != std::string::npos)
-      event_->Set();
-  }
-
-  rtc::Event* const event_;
-};
-
-}  // namespace
-
-TEST(LoggingTest, LogStream) {
-  Trace::CreateTrace();
-
-  rtc::Event event(false, false);
-  LoggingTestCallback callback(&event);
-  Trace::SetTraceCallback(&callback);
-
-  LOG(LS_WARNING) << kTestLogString;
-  EXPECT_TRUE(event.Wait(2000));
-
-  Trace::SetTraceCallback(nullptr);
-  Trace::ReturnTrace();
-}
-}  // namespace webrtc