Implementing unified plan encoding of msid.

webrtc/api/jsepicecandidate.h

Index: webrtc/api/jsepicecandidate.h
diff --git a/webrtc/api/jsepicecandidate.h b/webrtc/api/jsepicecandidate.h
index 65a7446af6c7b05d31c44d4aab6f41d94128b470..529b2a7756de8ea0ebf33e714fb6e63eb04176a6 100644
--- a/webrtc/api/jsepicecandidate.h
+++ b/webrtc/api/jsepicecandidate.h
@@ -53,6 +53,11 @@ class JsepIceCandidate : public IceCandidateInterface {
 // This implementation stores JsepIceCandidates.
 class JsepCandidateCollection : public IceCandidateCollection {
  public:
+  JsepCandidateCollection() {}
+  // Move constructor is defined so that a vector of JsepCandidateCollections
+  // can be resized.
+  JsepCandidateCollection(JsepCandidateCollection&& o)
+      : candidates_(std::move(o.candidates_)) {}
   ~JsepCandidateCollection();
   virtual size_t count() const {
     return candidates_.size();
@@ -68,6 +73,8 @@ class JsepCandidateCollection : public IceCandidateCollection {
 
  private:
   std::vector<JsepIceCandidate*> candidates_;
+
+  RTC_DISALLOW_COPY_AND_ASSIGN(JsepCandidateCollection);
 };
 
 }  // namespace webrtc