Add AssignmentSource to BlimpClientContextImpl

blimp/client/public/blimp_client_context_delegate.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_PUBLIC_BLIMP_CLIENT_CONTEXT_DELEGATE_H_
 #define BLIMP_CLIENT_PUBLIC_BLIMP_CLIENT_CONTEXT_DELEGATE_H_
 
 #include "base/macros.h"
+#include "blimp/client/public/session/assignment.h"
 
 namespace blimp {
 namespace client {
 class BlimpContents;
 
 // BlimpClientContextDelegate is how the BlimpClientContext gets the
 // functionality it needs from its embedder.
 class BlimpClientContextDelegate {
  public:
   virtual ~BlimpClientContextDelegate() = default;
 
   // Attaches any required base::SupportsUserData::Data to the BlimpContents.
   virtual void AttachBlimpContentsHelpers(BlimpContents* blimp_contents) = 0;
 
+  // Called whenever an assignment request has finished and the resulting
+  // Assignment is ready to be used in an attempt to connect to the engine. The
+  // |result| is the result for the assignment request itself, not for the
+  // connection attempt. Only when |result| is ASSIGNMENT_REQUEST_RESULT_OK
+  // will an attempt actually be made to connect to the engine using the
+  // Assignment.
+  virtual void OnAssignmentConnectionAttempted(
+      AssignmentRequestResult result,
+      const Assignment& assignment) = 0;
+
  protected:
   BlimpClientContextDelegate() = default;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlimpClientContextDelegate);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_PUBLIC_BLIMP_CLIENT_CONTEXT_DELEGATE_H_