Revert of Remove ignored return code from modules.

webrtc/modules/video_coding/video_receiver_unittest.cc

Index: webrtc/modules/video_coding/video_receiver_unittest.cc
diff --git a/webrtc/modules/video_coding/video_receiver_unittest.cc b/webrtc/modules/video_coding/video_receiver_unittest.cc
index 693fdc60ee922dde882666b2a527e3b877cd4c91..820ce9ae2da85bfee447f72566b494eac3b41215 100644
--- a/webrtc/modules/video_coding/video_receiver_unittest.cc
+++ b/webrtc/modules/video_coding/video_receiver_unittest.cc
@@ -52,7 +52,7 @@
       EXPECT_EQ(0, receiver_->IncomingPacket(payload, 0, *header));
       ++header->header.sequenceNumber;
     }
-    receiver_->Process();
+    EXPECT_EQ(0, receiver_->Process());
     EXPECT_CALL(decoder_, Decode(_, _, _, _, _)).Times(0);
     EXPECT_EQ(VCM_FRAME_NOT_READY, receiver_->Decode(100));
   }
@@ -64,7 +64,7 @@
     EXPECT_EQ(0, receiver_->IncomingPacket(payload, length, *header));
     ++header->header.sequenceNumber;
     EXPECT_CALL(packet_request_callback_, ResendPackets(_, _)).Times(0);
-    receiver_->Process();;
+    EXPECT_EQ(0, receiver_->Process());
     EXPECT_CALL(decoder_, Decode(_, _, _, _, _)).Times(1);
     EXPECT_EQ(0, receiver_->Decode(100));
   }