[Presentation API] Remove closed connections from PresentationConnectionList

third_party/WebKit/Source/modules/presentation/PresentationConnectionList.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/presentation/PresentationConnectionList.h"
 
 #include "core/frame/UseCounter.h"
 #include "modules/EventTargetModules.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "modules/presentation/PresentationConnectionAvailableEvent.h"
@@ skipping 22 matching lines @@
     UseCounter::Count(
         GetExecutionContext(),
         UseCounter::kPresentationRequestConnectionAvailableEventListener);
 }
 
 void PresentationConnectionList::AddConnection(
     PresentationConnection* connection) {
   connections_.push_back(connection);
 }
 
+bool PresentationConnectionList::RemoveConnection(
+    WebPresentationConnection* connection) {
+  for (size_t i = 0; i < connections_.size(); i++) {
+    if (connections_[i] == connection) {
+      connections_.erase(i);
+      return true;
+    }
+  }
+  return false;
+}
+
 void PresentationConnectionList::DispatchConnectionAvailableEvent(
     PresentationConnection* connection) {
   DispatchEvent(PresentationConnectionAvailableEvent::Create(
       EventTypeNames::connectionavailable, connection));
 }
 
 bool PresentationConnectionList::IsEmpty() {
   return connections_.IsEmpty();
 }
 
 DEFINE_TRACE(PresentationConnectionList) {
   visitor->Trace(connections_);
   EventTargetWithInlineData::Trace(visitor);
   ContextClient::Trace(visitor);
 }
 
 }  // namespace blink