Migrate Linux Blimp client to use BlimpClientContext

blimp/client/support/session/BUILD.gn

Index: blimp/client/support/session/BUILD.gn
diff --git a/blimp/client/support/session/BUILD.gn b/blimp/client/support/session/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..ba6b59a63cc04e4f6b858df87769af9d05f74d12
--- /dev/null
+++ b/blimp/client/support/session/BUILD.gn
@@ -0,0 +1,24 @@
+# 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.
+
+if (is_android) {
+  import("//build/config/android/config.gni")
+  import("//build/config/android/rules.gni")
+}
+
+source_set("session") {
+  sources = [
+    "blimp_default_identity_provider.cc",
+    "blimp_default_identity_provider.h",
+  ]
+
+  public_deps = [
+    "//base",
+    "//google_apis:google_apis",
+  ]
+
+  deps = [
+    "//blimp/client/public:public_headers",
+  ]
+}