Revert of Add QP sum stats for received streams.

webrtc/video/receive_statistics_proxy_unittest.cc

Index: webrtc/video/receive_statistics_proxy_unittest.cc
diff --git a/webrtc/video/receive_statistics_proxy_unittest.cc b/webrtc/video/receive_statistics_proxy_unittest.cc
index ba4ad3aed7b9a7ea96ff00e83dba9b7e765e7e19..e0cca3aa1a085720b216242549e63ad718f23e9d 100644
--- a/webrtc/video/receive_statistics_proxy_unittest.cc
+++ b/webrtc/video/receive_statistics_proxy_unittest.cc
@@ -54,44 +54,11 @@ class ReceiveStatisticsProxyTest : public ::testing::Test {
 TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameIncreasesFramesDecoded) {
   EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_decoded);
   for (uint32_t i = 1; i <= 3; ++i) {
-    statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>());
+    statistics_proxy_->OnDecodedFrame();
     EXPECT_EQ(i, statistics_proxy_->GetStats().frames_decoded);
   }
 }
 
-TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameWithQpResetsFramesDecoded) {
-  EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_decoded);
-  for (uint32_t i = 1; i <= 3; ++i) {
-    statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>());
-    EXPECT_EQ(i, statistics_proxy_->GetStats().frames_decoded);
-  }
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>(1u));
-  EXPECT_EQ(1u, statistics_proxy_->GetStats().frames_decoded);
-}
-
-TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameIncreasesQpSum) {
-  EXPECT_EQ(rtc::Optional<uint64_t>(), statistics_proxy_->GetStats().qp_sum);
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>(3u));
-  EXPECT_EQ(rtc::Optional<uint64_t>(3u), statistics_proxy_->GetStats().qp_sum);
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>(127u));
-  EXPECT_EQ(rtc::Optional<uint64_t>(130u),
-            statistics_proxy_->GetStats().qp_sum);
-}
-
-TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameWithoutQpQpSumWontExist) {
-  EXPECT_EQ(rtc::Optional<uint64_t>(), statistics_proxy_->GetStats().qp_sum);
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>());
-  EXPECT_EQ(rtc::Optional<uint64_t>(), statistics_proxy_->GetStats().qp_sum);
-}
-
-TEST_F(ReceiveStatisticsProxyTest, OnDecodedFrameWithoutQpResetsQpSum) {
-  EXPECT_EQ(rtc::Optional<uint64_t>(), statistics_proxy_->GetStats().qp_sum);
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>(3u));
-  EXPECT_EQ(rtc::Optional<uint64_t>(3u), statistics_proxy_->GetStats().qp_sum);
-  statistics_proxy_->OnDecodedFrame(rtc::Optional<uint8_t>());
-  EXPECT_EQ(rtc::Optional<uint64_t>(), statistics_proxy_->GetStats().qp_sum);
-}
-
 TEST_F(ReceiveStatisticsProxyTest, OnRenderedFrameIncreasesFramesRendered) {
   EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_rendered);
   webrtc::VideoFrame frame(