Replace gflags usages with rtc_base/flags in all targets based on test_main

webrtc/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc

 /*
  *  Copyright (c) 2015 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 <memory>
 
 #include "webrtc/modules/audio_coding/codecs/g711/audio_encoder_pcm.h"
 #include "webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.h"
 #include "webrtc/rtc_base/checks.h"
+#include "webrtc/rtc_base/flags.h"
 #include "webrtc/rtc_base/safe_conversions.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
-using google::RegisterFlagValidator;
-using google::ParseCommandLineFlags;
 using testing::InitGoogleTest;
 
 namespace webrtc {
 namespace test {
 namespace {
 static const int kInputSampleRateKhz = 8;
 static const int kOutputSampleRateKhz = 8;
 
-// Define switch for frame size.
-static bool ValidateFrameSize(const char* flagname, int32_t value) {
-  if (value >= 10 && value <= 60 && (value % 10) == 0)
-    return true;
-  printf("Invalid frame size, should be 10, 20, ..., 60 ms.");
-  return false;
-}
-
-DEFINE_int32(frame_size_ms, 20, "Codec frame size (milliseconds).");
-
-static const bool frame_size_dummy =
-    RegisterFlagValidator(&FLAGS_frame_size_ms, &ValidateFrameSize);
+DEFINE_int(frame_size_ms, 20, "Codec frame size (milliseconds).");
 
 }  // namespace
 
 class NetEqPcmuQualityTest : public NetEqQualityTest {
  protected:
   NetEqPcmuQualityTest()
-      : NetEqQualityTest(FLAGS_frame_size_ms,
+      : NetEqQualityTest(FLAG_frame_size_ms,
                          kInputSampleRateKhz,
                          kOutputSampleRateKhz,
-                         NetEqDecoder::kDecoderPCMu) {}
+                         NetEqDecoder::kDecoderPCMu) {
+    // Flag validation
+    RTC_CHECK(FLAG_frame_size_ms >= 10 && FLAG_frame_size_ms <= 60 &&
+              (FLAG_frame_size_ms % 10) == 0)
+        << "Invalid frame size, should be 10, 20, ..., 60 ms.";
+  }
 
   void SetUp() override {
     ASSERT_EQ(1u, channels_) << "PCMu supports only mono audio.";
     AudioEncoderPcmU::Config config;
-    config.frame_size_ms = FLAGS_frame_size_ms;
+    config.frame_size_ms = FLAG_frame_size_ms;
     encoder_.reset(new AudioEncoderPcmU(config));
     NetEqQualityTest::SetUp();
   }
 
   int EncodeBlock(int16_t* in_data,
                   size_t block_size_samples,
                   rtc::Buffer* payload, size_t max_bytes) override {
     const size_t kFrameSizeSamples = 80;  // Samples per 10 ms.
     size_t encoded_samples = 0;
     uint32_t dummy_timestamp = 0;
@@ skipping 11 matching lines @@
  private:
   std::unique_ptr<AudioEncoderPcmU> encoder_;
 };
 
 TEST_F(NetEqPcmuQualityTest, Test) {
   Simulate();
 }
 
 }  // namespace test
 }  // namespace webrtc