Remove the VoEDtmf interface.

webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc

Index: webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc
diff --git a/webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc b/webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc
index 18faa971c588e9831a77b503652a40b792826e13..0d0377bb2fc664774a648fa75b2f376dcf0b0c0b 100644
--- a/webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc
+++ b/webrtc/voice_engine/test/auto_test/standard/dtmf_test.cc
@@ -13,43 +13,25 @@
 
 class DtmfTest : public AfterStreamingFixture {
  protected:
-  void RunSixteenDtmfEvents(bool out_of_band) {
+  void RunSixteenDtmfEvents() {
     TEST_LOG("Sending telephone events:\n");
-    EXPECT_EQ(0, voe_dtmf_->SetDtmfFeedbackStatus(false));
-
     for (int i = 0; i < 16; i++) {
       TEST_LOG("%d ", i);
       TEST_LOG_FLUSH;
-      EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(
-          channel_, i, out_of_band, 160, 10));
+      EXPECT_TRUE(channel_proxy_->SendTelephoneEventOutband(i, 160));
       Sleep(500);
     }
     TEST_LOG("\n");
   }
 };
 
-TEST_F(DtmfTest, DtmfFeedbackIsEnabledByDefaultButNotDirectFeedback) {
-  bool dtmf_feedback = false;
-  bool dtmf_direct_feedback = false;
-
-  EXPECT_EQ(0, voe_dtmf_->GetDtmfFeedbackStatus(dtmf_feedback,
-                                                dtmf_direct_feedback));
-
-  EXPECT_TRUE(dtmf_feedback);
-  EXPECT_FALSE(dtmf_direct_feedback);
-}
-
-TEST_F(DtmfTest, ManualSuccessfullySendsInBandTelephoneEvents) {
-  RunSixteenDtmfEvents(false);
-}
-
 TEST_F(DtmfTest, ManualSuccessfullySendsOutOfBandTelephoneEvents) {
-  RunSixteenDtmfEvents(true);
+  RunSixteenDtmfEvents();
 }
 
 TEST_F(DtmfTest, TestTwoNonDtmfEvents) {
-  EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 32, true));
-  EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 110, true));
+  EXPECT_TRUE(channel_proxy_->SendTelephoneEventOutband(32, 160));
+  EXPECT_TRUE(channel_proxy_->SendTelephoneEventOutband(110, 160));
 }
 
 // This test modifies the DTMF payload type from the default 106 to 88
@@ -78,10 +60,8 @@ TEST_F(DtmfTest, ManualCanChangeDtmfPayloadType) {
   Sleep(500);
 
   // Next, we must modify the sending side as well.
-  EXPECT_EQ(0, voe_dtmf_->SetSendTelephoneEventPayloadType(
-      channel_, codec_instance.pltype));
-
-  RunSixteenDtmfEvents(true);
+  EXPECT_TRUE(
+      channel_proxy_->SetSendTelephoneEventPayloadType(codec_instance.pltype));
 
-  EXPECT_EQ(0, voe_dtmf_->SetDtmfFeedbackStatus(true, false));
+  RunSixteenDtmfEvents();
 }