RTC_[D]CHECK_op: Remove "u" suffix on integer constants

webrtc/call/bitrate_estimator_tests.cc

Index: webrtc/call/bitrate_estimator_tests.cc
diff --git a/webrtc/call/bitrate_estimator_tests.cc b/webrtc/call/bitrate_estimator_tests.cc
index ddb69ed6fcb8cc6f2f0a47ab2a821280abd39661..95d42ef117b59e98afc3f84ce8d62cc49e0d2268 100644
--- a/webrtc/call/bitrate_estimator_tests.cc
+++ b/webrtc/call/bitrate_estimator_tests.cc
@@ -166,7 +166,7 @@ class BitrateEstimatorTest : public test::CallTest {
       send_stream_ = test_->sender_call_->CreateVideoSendStream(
           test_->video_send_config_.Copy(),
           test_->video_encoder_config_.Copy());
-      RTC_DCHECK_EQ(1u, test_->video_encoder_config_.number_of_streams);
+      RTC_DCHECK_EQ(1, test_->video_encoder_config_.number_of_streams);
       frame_generator_capturer_.reset(test::FrameGeneratorCapturer::Create(
           kDefaultWidth, kDefaultHeight, kDefaultFramerate,
           Clock::GetRealTimeClock()));