Connect WebUSB client interface to the devices app

mojo/common/weak_binding_set.h

 // Copyright 2014 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.
 
 #ifndef MOJO_COMMON_WEAK_BINDING_SET_H_
 #define MOJO_COMMON_WEAK_BINDING_SET_H_
 
 #include <algorithm>
 #include <vector>
 
@@ skipping 18 matching lines @@
   }
 
   void AddBinding(Interface* impl, InterfaceRequest<Interface> request) {
     auto binding = new WeakBinding<Interface>(impl, request.Pass());
     binding->set_connection_error_handler([this]() { OnConnectionError(); });
     bindings_.push_back(binding->GetWeakPtr());
   }
 
   void CloseAllBindings() {
     for (const auto& it : bindings_) {
-      if (it)
+      if (it) {
         it->Close();
+        delete it.get();
+      }
     }
     bindings_.clear();
   }
 
   bool empty() const { return bindings_.empty(); }
 
  private:
   void OnConnectionError() {
     // Clear any deleted bindings.
     bindings_.erase(
@@ skipping 43 matching lines @@
   Binding<Interface> binding_;
   Closure error_handler_;
   base::WeakPtrFactory<WeakBinding> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WeakBinding);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_COMMON_WEAK_BINDING_SET_H_