Blimp: relocate thread-unsafe member getter in DropConnection code.

blimp/client/core/blimp_client_context_impl.h

 // 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.
 
 #ifndef BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
 #define BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 66 matching lines @@
   virtual void OnAuthTokenReceived(const std::string& client_auth_token);
 
   // Called when the AssignmentSource is finished getting an Assignment.  Will
   // then call |ConnectWithAssignment| to initiate the actual connection.
   virtual void OnAssignmentReceived(AssignmentRequestResult result,
                                     const Assignment& assignment);
 
   void RegisterFeatures();
   void InitializeSettings();
 
+  // Terminates the active connection held by |net_connections_|.
+  // May be called on any thread.
+  void DropConnection();
+
   // Create IdentitySource which provides user sign in states and OAuth2 token
   // service.
   void CreateIdentitySource();
 
   // BlobImageSerializationProcessor::ErrorDelegate implementation.
   void OnImageDecodeError() override;
 
   // Provides functionality from the embedder.
   BlimpClientContextDelegate* delegate_ = nullptr;
 
@@ skipping 35 matching lines @@
 
   base::WeakPtrFactory<BlimpClientContextImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImpl);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_