Set overuse detector max frame interval based on target frame rate.

webrtc/video/encoder_rtcp_feedback_unittest.cc

Index: webrtc/video/encoder_rtcp_feedback_unittest.cc
diff --git a/webrtc/video/encoder_rtcp_feedback_unittest.cc b/webrtc/video/encoder_rtcp_feedback_unittest.cc
index 1606a59357bcbb280cff366783aa0f4b0eb8435e..12c0951ea0e572c0bfc783165e4857d015338be8 100644
--- a/webrtc/video/encoder_rtcp_feedback_unittest.cc
+++ b/webrtc/video/encoder_rtcp_feedback_unittest.cc
@@ -10,6 +10,8 @@
 
 #include "webrtc/video/encoder_rtcp_feedback.h"
 
+#include <memory>
+
 #include "webrtc/modules/utility/include/mock/mock_process_thread.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/test/gtest.h"
@@ -27,7 +29,8 @@ class MockVieEncoder : public ViEEncoder {
                    send_stats_proxy,
                    VideoSendStream::Config::EncoderSettings("fake", 0, nullptr),
                    nullptr,
-                   nullptr) {}
+                   nullptr,
+                   std::unique_ptr<OveruseFrameDetector>()) {}
   ~MockVieEncoder() { Stop(); }
 
   MOCK_METHOD1(OnReceivedIntraFrameRequest, void(size_t));