Revert "Reland of Remove SendPacer from ViEEncoder

webrtc/call/bitrate_allocator_unittest.cc

Index: webrtc/call/bitrate_allocator_unittest.cc
diff --git a/webrtc/call/bitrate_allocator_unittest.cc b/webrtc/call/bitrate_allocator_unittest.cc
index 63149acbe317786239c792d81158ee26cd488e0c..6e0cdd4d781e8b1f747f929e5a775fec3499ea13 100644
--- a/webrtc/call/bitrate_allocator_unittest.cc
+++ b/webrtc/call/bitrate_allocator_unittest.cc
@@ -96,12 +96,6 @@ TEST_F(BitrateAllocatorTest, TwoBitrateObserversOneRtcpObserver) {
   allocator_->OnNetworkChanged(1500000, 0, 50);
   EXPECT_EQ(600000u, bitrate_observer_1.last_bitrate_);
   EXPECT_EQ(600000u, bitrate_observer_2.last_bitrate_);
-
-  // Verify that if the bandwidth estimate is set to zero, the allocated rate is
-  // zero.
-  allocator_->OnNetworkChanged(0, 0, 50);
-  EXPECT_EQ(0u, bitrate_observer_1.last_bitrate_);
-  EXPECT_EQ(0u, bitrate_observer_2.last_bitrate_);
 }
 
 class BitrateAllocatorTestNoEnforceMin : public ::testing::Test {
@@ -177,13 +171,6 @@ TEST_F(BitrateAllocatorTestNoEnforceMin, ThreeBitrateObservers) {
   EXPECT_EQ(0u, bitrate_observer_2.last_bitrate_);
   EXPECT_EQ(0u, bitrate_observer_3.last_bitrate_);
 
-  allocator_->OnNetworkChanged(0, 0, 0);
-  // Verify that zero estimated bandwidth, means that that all gets zero,
-  // regardless of set min bitrate.
-  EXPECT_EQ(0u, bitrate_observer_1.last_bitrate_);
-  EXPECT_EQ(0u, bitrate_observer_2.last_bitrate_);
-  EXPECT_EQ(0u, bitrate_observer_3.last_bitrate_);
-
   allocator_->RemoveObserver(&bitrate_observer_1);
   allocator_->RemoveObserver(&bitrate_observer_2);
   allocator_->RemoveObserver(&bitrate_observer_3);