Remove ALL usage of CriticalSectionWrapper.

webrtc/modules/video_coding/codecs/test/packet_manipulator.cc

Index: webrtc/modules/video_coding/codecs/test/packet_manipulator.cc
diff --git a/webrtc/modules/video_coding/codecs/test/packet_manipulator.cc b/webrtc/modules/video_coding/codecs/test/packet_manipulator.cc
index b554b4e9aec50307a7305959af7a5253d8f78d85..9bde45eeffc808cd16253f6b664d5c8d08e53627 100644
--- a/webrtc/modules/video_coding/codecs/test/packet_manipulator.cc
+++ b/webrtc/modules/video_coding/codecs/test/packet_manipulator.cc
@@ -24,16 +24,11 @@ PacketManipulatorImpl::PacketManipulatorImpl(PacketReader* packet_reader,
     : packet_reader_(packet_reader),
       config_(config),
       active_burst_packets_(0),
-      critsect_(CriticalSectionWrapper::CreateCriticalSection()),
       random_seed_(1),
       verbose_(verbose) {
   assert(packet_reader);
 }
 
-PacketManipulatorImpl::~PacketManipulatorImpl() {
-  delete critsect_;
-}
-
 int PacketManipulatorImpl::ManipulatePackets(
     webrtc::EncodedImage* encoded_image) {
   int nbr_packets_dropped = 0;
@@ -89,10 +84,10 @@ inline double PacketManipulatorImpl::RandomUniform() {
   // Use the previous result as new seed before each rand() call. Doing this
   // it doesn't matter if other threads are calling rand() since we'll always
   // get the same behavior as long as we're using a fixed initial seed.
-  critsect_->Enter();
+  critsect_.Enter();
   srand(random_seed_);
   random_seed_ = rand();  // NOLINT (rand_r instead of rand)
-  critsect_->Leave();
+  critsect_.Leave();
   return (random_seed_ + 1.0) / (RAND_MAX + 1.0);
 }