Migrate Linux Blimp client to use BlimpClientContext

blimp/client/support/session/blimp_default_identity_provider.h

Index: blimp/client/support/session/blimp_default_identity_provider.h
diff --git a/blimp/client/support/session/blimp_default_identity_provider.h b/blimp/client/support/session/blimp_default_identity_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..7d82cf02885cabef6a950c46ad009706dd6b04c4
--- /dev/null
+++ b/blimp/client/support/session/blimp_default_identity_provider.h
@@ -0,0 +1,38 @@
+// 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_SUPPORT_SESSION_BLIMP_DEFAULT_IDENTITY_PROVIDER_H_
+#define BLIMP_CLIENT_SUPPORT_SESSION_BLIMP_DEFAULT_IDENTITY_PROVIDER_H_
+
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "google_apis/gaia/identity_provider.h"
+
+namespace blimp {
+namespace client {
+
+// Provides a dummy identity provider with a null token service that doesn't
+// actually log in. Useful when using command-line switches to get the
+// assignment.
+class BlimpDefaultIdentityProvider : public IdentityProvider {
+ public:
+  BlimpDefaultIdentityProvider();
+  ~BlimpDefaultIdentityProvider() override;
+
+  // IdentityProvider implementation.
+  std::string GetActiveUsername() override;
+  std::string GetActiveAccountId() override;
+  OAuth2TokenService* GetTokenService() override;
+  bool RequestLogin() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BlimpDefaultIdentityProvider);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_SUPPORT_SESSION_BLIMP_DEFAULT_IDENTITY_PROVIDER_H_