Blimp OAuth2 token retreival on application start up.

blimp/client/public/blimp_client_context.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_H_
 #define BLIMP_CLIENT_PUBLIC_BLIMP_CLIENT_CONTEXT_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 37 matching lines @@
       scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner);
 
   // The delegate provides all the required functionality from the embedder.
   virtual void SetDelegate(BlimpClientContextDelegate* delegate) = 0;
 
   // Creates a new BlimpContents.
   virtual std::unique_ptr<BlimpContents> CreateBlimpContents() = 0;
 
   // Initiates the process for connecting to the engine.
   virtual void Connect(const std::string& client_auth_token) = 0;

[nyquist, 2016/08/12 05:47:05]

Should we remove this method now, and make it only part of the
BlimpClientContextImpl interface?

[xingliu, 2016/08/12 21:11:18]

Done, rename the function, and pass it as base::Callback to IdentitySource.

 
+  // Start authentication flow.

[nyquist, 2016/08/12 05:47:05]

... "and connection to engine."?

[xingliu, 2016/08/12 21:11:18]

Done.

+  virtual void Connect() = 0;
+
  protected:
   BlimpClientContext() = default;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlimpClientContext);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_PUBLIC_BLIMP_CLIENT_CONTEXT_H_