Use vcm::VideoSender in ViEEncoder.

tools/valgrind-webrtc/memcheck/suppressions.txt

 # This file is used in addition to the one already maintained in Chrome.
 # It acts as a place holder for future additions for WebRTC.
 # It must exist for the Python wrapper script to work properly.
 
 # There are three kinds of suppressions in this file.
 # 1. third_party libraries
 # 2. webrtc stuff
 # 3. libjingle stuff (talk folder)
 #-----------------------------------------------------------------------
 
@@ skipping 368 matching lines @@
    fun:_ZN6webrtc20AudioDeviceLinuxALSA14InitMicrophoneEv
    ...
 }
 {
    bug_2263_1
    Memcheck:Uninitialized
    fun:_ZN14DtlsTestClient12VerifyPacketEPKcmPj
    ...
 }
 {
-   bug_3063
-   Memcheck:Uninitialized
-   ...
-   fun:vfprintf
-   fun:__vsnprintf_chk
-   fun:_ZN6webrtc5Trace3AddENS_10TraceLevelENS_11TraceModuleEiPKcz
-   fun:_ZNK6webrtc12ViECodecImpl21GetCodecTargetBitrateEiPj
-   fun:_ZN7cricket23WebRtcVideoMediaChannel23MaybeChangeStartBitrateEiPN6webrtc10VideoCodecE
-   fun:_ZN7cricket23WebRtcVideoMediaChannel12SetSendCodecEPNS_26WebRtcVideoChannelSendInfoERKN6webrtc10VideoCodecEiii
-   fun:_ZN7cricket23WebRtcVideoMediaChannel12SetSendCodecERKN6webrtc10VideoCodecEiii
-   fun:_ZN7cricket23WebRtcVideoMediaChannel13SetSendCodecsERKSt6vectorINS_10VideoCodecESaIS2_EE
-   fun:_ZN21VideoMediaChannelTestIN7cricket17WebRtcVideoEngineENS0_23WebRtcVideoMediaChannelEE11SetOneCodecERKNS0_10VideoCodecE
-   fun:_ZN21VideoMediaChannelTestIN7cricket17WebRtcVideoEngineENS0_23WebRtcVideoMediaChannelEE4SendERKNS0_10VideoCodecE
-   fun:_ZN21VideoMediaChannelTestIN7cricket17WebRtcVideoEngineENS0_23WebRtcVideoMediaChannelEE36TwoStreamsSendAndFailUnsignalledRecvERKNS0_10VideoCodecE
-   fun:_ZN69WebRtcVideoMediaChannelTest_TwoStreamsSendAndFailUnsignalledRecv_Test8TestBodyEv
-}
-{
    bug_3478
    Memcheck:Leak
    fun:_Znw*
    fun:_ZNK3rtc18FakeSSLCertificate12GetReferenceEv
    fun:_ZN3rtc18FakeSSLCertificate7DupCertES0_
    fun:_ZSt9transformIN9__gnu_cxx17__normal_iteratorIPKN3rtc18FakeSSLCertificateESt6vectorIS3_SaIS3_EEEENS1_IPPNS2_14SSLCertificateES6_ISB_SaISB_EEEEPFPS3_S3_EET0_T_SK_SJ_T1_
    fun:_ZNK3rtc18FakeSSLCertificate8GetChainEPPNS_12SSLCertChainE
    fun:_ZN6webrtc14StatsCollector21AddCertificateReportsEPKN3rtc14SSLCertificateE
    fun:_ZN6webrtc14StatsCollector18ExtractSessionInfoEv
    fun:_ZN6webrtc14StatsCollector11UpdateStatsENS_23PeerConnectionInterface16StatsOutputLevelE
    fun:_ZN12_GLOBAL__N_118StatsCollectorTest22TestCertificateReportsERKN3rtc18FakeSSLCertificateERKSt6vectorISsSaISsEES4_S9_
    fun:_ZN12_GLOBAL__N_156StatsCollectorTest_ChainedCertificateReportsCreated_Test8TestBodyEv
 }
 {
    bug_5651
    Memcheck:Unaddressable
    fun:silk_NLSF_encode
    fun:silk_process_NLSFs
    fun:silk_process_NLSFs_FLP
    fun:silk_find_pred_coefs_FLP
    fun:silk_encode_frame_FLP
    fun:silk_Encode
    fun:opus_encode_native
    fun:opus_encode
    fun:WebRtcOpus_Encode
 }