Migrate Linux Blimp client to use BlimpClientContext

blimp/client/support/session/BUILD.gn

+# 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") {

[Kevin M, 2016/09/27 21:59:41]

Any reason why we can't put this under client/support ? Why do we need this dir;
do we have other plans for it?

[steimel, 2016/09/27 23:23:19]

For that, you'd have to ask dtrainor. He specified that I should create this
particular directory for this file.

+  sources = [
+    "blimp_default_identity_provider.cc",
+    "blimp_default_identity_provider.h",
+  ]
+
+  public_deps = [
+    "//base",
+  ]
+
+  deps = [
+    "//blimp/client/public:public_headers",
+  ]
+}