Revert of quest keyframes more frequently on stream start/decoding error.

webrtc/modules/video_coding/frame_buffer2_unittest.cc

Index: webrtc/modules/video_coding/frame_buffer2_unittest.cc
diff --git a/webrtc/modules/video_coding/frame_buffer2_unittest.cc b/webrtc/modules/video_coding/frame_buffer2_unittest.cc
index 95a879b36d554fe8586447769e00c5fe77174558..d85f1cf2334c1ba4f66f576bc668500085a077dc 100644
--- a/webrtc/modules/video_coding/frame_buffer2_unittest.cc
+++ b/webrtc/modules/video_coding/frame_buffer2_unittest.cc
@@ -167,12 +167,11 @@
     return buffer_.InsertFrame(std::move(frame));
   }
 
-  void ExtractFrame(int64_t max_wait_time = 0, bool keyframe_required = false) {
+  void ExtractFrame(int64_t max_wait_time = 0) {
     crit_.Enter();
     if (max_wait_time == 0) {
       std::unique_ptr<FrameObject> frame;
-      FrameBuffer::ReturnReason res =
-          buffer_.NextFrame(0, &frame, keyframe_required);
+      FrameBuffer::ReturnReason res = buffer_.NextFrame(0, &frame);
       if (res != FrameBuffer::ReturnReason::kStopped)
         frames_.emplace_back(std::move(frame));
       crit_.Leave();
@@ -541,18 +540,5 @@
   EXPECT_EQ(2, InsertFrame(2, 0, 3000, false, 1));
 }
 
-TEST_F(TestFrameBuffer2, KeyframeRequired) {
-  EXPECT_EQ(1, InsertFrame(1, 0, 1000, false));
-  EXPECT_EQ(2, InsertFrame(2, 0, 2000, false, 1));
-  EXPECT_EQ(3, InsertFrame(3, 0, 3000, false));
-  ExtractFrame();
-  ExtractFrame(0, true);
-  ExtractFrame();
-
-  CheckFrame(0, 1, 0);
-  CheckFrame(1, 3, 0);
-  CheckNoFrame(2);
-}
-
 }  // namespace video_coding
 }  // namespace webrtc