Remove all blimp client code.

blimp/client/test/BUILD.gn

Index: blimp/client/test/BUILD.gn
diff --git a/blimp/client/test/BUILD.gn b/blimp/client/test/BUILD.gn
deleted file mode 100644
index 986052d5601219454272bc0f860dab641b41f32d..0000000000000000000000000000000000000000
--- a/blimp/client/test/BUILD.gn
+++ /dev/null
@@ -1,31 +0,0 @@
-# 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.
-
-source_set("test") {
-  testonly = true
-
-  sources = [
-    "contents/mock_blimp_contents_observer.cc",
-    "contents/mock_blimp_contents_observer.h",
-    "test_blimp_client_context_delegate.cc",
-    "test_blimp_client_context_delegate.h",
-  ]
-
-  deps = [
-    "//base",
-    "//base/test:test_support",
-    "//blimp/client/core",
-    "//blimp/client/public:public_headers",
-    "//cc:test_support",
-    "//google_apis:test_support",
-    "//mojo/edk/system",
-    "//net",
-    "//ui/gfx",
-  ]
-
-  public_deps = [
-    "//blimp/client/test/compositor",
-    "//testing/gmock",
-  ]
-}