Remove ViEBase::Init() call from VideoCall.
Remove ViEBase::Init() call from VideoCall.

ViEBase::Init() is a no-op in the current implementation. Keeping it
there is just confusing.

BUG=
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2029004

git-svn-id: 03ae4fbe531b1eefc9d815f31e49022782c42458@4544 4adac7df-926f-26a2-2b94-8c16560cd09d

MIPS/external-chromium_org-third_party-webrtc,Omegaphora/external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,Omegaphora/external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,MIPS/external-chromium_org-third_party-webrtc,MIPS/external-chromium_org-third_party-webrtc,Omegaphora/external_chromium_org_third_party_webrtc,geekboxzone/lollipop_external_chromium_org_third_party_webrtc,android-ia/platform_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,jgcaaprom/android_external_chromium_org_third_party_webrtc,MIPS/external-chromium_org-third_party-webrtc,Omegaphora/external_chromium_org_third_party_webrtc