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

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

 /*
  *  Copyright (c) 2014 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/modules/audio_coding/codecs/isac/fix/include/isacfix.h"
 #include "webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.h"
+#include "webrtc/rtc_base/flags.h"
 
-using google::RegisterFlagValidator;
-using google::ParseCommandLineFlags;
 using testing::InitGoogleTest;
 
 namespace webrtc {
 namespace test {
 namespace {
 static const int kIsacBlockDurationMs = 30;
 static const int kIsacInputSamplingKhz = 16;
 static const int kIsacOutputSamplingKhz = 16;
 
-// Define switch for bit rate.
-static bool ValidateBitRate(const char* flagname, int32_t value) {
-  if (value >= 10 && value <= 32)
-    return true;
-  printf("Invalid bit rate, should be between 10 and 32 kbps.");
-  return false;
-}
-
-DEFINE_int32(bit_rate_kbps, 32, "Target bit rate (kbps).");
-
-static const bool bit_rate_dummy =
-    RegisterFlagValidator(&FLAGS_bit_rate_kbps, &ValidateBitRate);
+DEFINE_int(bit_rate_kbps, 32, "Target bit rate (kbps).");
 
 }  // namespace
 
 class NetEqIsacQualityTest : public NetEqQualityTest {
  protected:
   NetEqIsacQualityTest();
   void SetUp() override;
   void TearDown() override;
   int EncodeBlock(int16_t* in_data, size_t block_size_samples,
                   rtc::Buffer* payload, size_t max_bytes) override;
  private:
   ISACFIX_MainStruct* isac_encoder_;
   int bit_rate_kbps_;
 };
 
 NetEqIsacQualityTest::NetEqIsacQualityTest()
     : NetEqQualityTest(kIsacBlockDurationMs,
                        kIsacInputSamplingKhz,
                        kIsacOutputSamplingKhz,
                        NetEqDecoder::kDecoderISAC),
       isac_encoder_(NULL),
-      bit_rate_kbps_(FLAGS_bit_rate_kbps) {}
+      bit_rate_kbps_(FLAG_bit_rate_kbps) {
+    // Flag validation
+    RTC_CHECK(FLAG_bit_rate_kbps >= 10 && FLAG_bit_rate_kbps <= 32)
+        << "Invalid bit rate, should be between 10 and 32 kbps.";
+  }
 
 void NetEqIsacQualityTest::SetUp() {
   ASSERT_EQ(1u, channels_) << "iSAC supports only mono audio.";
   // Create encoder memory.
   WebRtcIsacfix_Create(&isac_encoder_);
   ASSERT_TRUE(isac_encoder_ != NULL);
   EXPECT_EQ(0, WebRtcIsacfix_EncoderInit(isac_encoder_, 1));
   // Set bitrate and block length.
   EXPECT_EQ(0, WebRtcIsacfix_Control(isac_encoder_, bit_rate_kbps_ * 1000,
                                      kIsacBlockDurationMs));
@@ skipping 28 matching lines @@
   EXPECT_GT(value, 0);
   return value;
 }
 
 TEST_F(NetEqIsacQualityTest, Test) {
   Simulate();
 }
 
 }  // namespace test
 }  // namespace webrtc