Enable probing with repeated payload packets by default.

talk/media/base/videoengine_unittest.h

Index: talk/media/base/videoengine_unittest.h
diff --git a/talk/media/base/videoengine_unittest.h b/talk/media/base/videoengine_unittest.h
index 5f00a0eca3c5399508667c93fc3c1257f265a6c5..cb6fbe7e01ab06ac7552200903087a8be4692013 100644
--- a/talk/media/base/videoengine_unittest.h
+++ b/talk/media/base/videoengine_unittest.h
@@ -1050,7 +1050,7 @@ class VideoMediaChannelTest : public testing::Test,
     EXPECT_TRUE(channel_->SetRenderer(kDefaultReceiveSsrc, &renderer_));
     EXPECT_TRUE(SendFrame());
     EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout);
-    EXPECT_GE(2, NumRtpPackets());
+    EXPECT_GT(NumRtpPackets(), 0);
     uint32 ssrc = 0;
     size_t last_packet = NumRtpPackets() - 1;
     rtc::scoped_ptr<const rtc::Buffer>
@@ -1718,7 +1718,7 @@ class VideoMediaChannelTest : public testing::Test,
     SendAndReceive(codec);
     // Test sending and receiving on second stream.
     EXPECT_EQ_WAIT(1, renderer2_.num_rendered_frames(), kTimeout);
-    EXPECT_EQ(2, NumRtpPackets());
+    EXPECT_GT(NumRtpPackets(), 0);
     EXPECT_EQ(1, renderer2_.num_rendered_frames());
   }