Revert of Remove candidates when doing continual gathering

webrtc/api/jsepsessiondescription.h

Index: webrtc/api/jsepsessiondescription.h
diff --git a/webrtc/api/jsepsessiondescription.h b/webrtc/api/jsepsessiondescription.h
index 9a0d8732044104990006588dd293cc1d23c68b61..244ee1921277656b64e9361f7f1db1bd87964b13 100644
--- a/webrtc/api/jsepsessiondescription.h
+++ b/webrtc/api/jsepsessiondescription.h
@@ -19,7 +19,6 @@
 #include "webrtc/api/jsep.h"
 #include "webrtc/api/jsepicecandidate.h"
 #include "webrtc/base/scoped_ptr.h"
-#include "webrtc/p2p/base/candidate.h"
 
 namespace cricket {
 class SessionDescription;
@@ -58,8 +57,6 @@
   // Allow changing the type. Used for testing.
   void set_type(const std::string& type) { type_ = type; }
   virtual bool AddCandidate(const IceCandidateInterface* candidate);
-  virtual size_t RemoveCandidates(
-      const std::vector<cricket::Candidate>& candidates);
   virtual size_t number_of_mediasections() const;
   virtual const IceCandidateCollection* candidates(
       size_t mediasection_index) const;
@@ -83,7 +80,6 @@
 
   bool GetMediasectionIndex(const IceCandidateInterface* candidate,
                             size_t* index);
-  int GetMediasectionIndex(const cricket::Candidate& candidate);
 
   RTC_DISALLOW_COPY_AND_ASSIGN(JsepSessionDescription);
 };