Add remoting and PPAPI tests to GN build

remoting/client/BUILD.gn

 # Copyright 2014 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.
 
-import("//remoting/remoting_version.gni")
+import("//remoting/remoting_srcs.gni")
 
-static_library("client") {
-  gypi_values = exec_script("//build/gypi_to_gn.py",
-                            [ rebase_path("../remoting_srcs.gypi") ],
-                            "scope",
-                            [ "../remoting_srcs.gypi" ])
+source_set("client") {
+  sources = rebase_path(remoting_srcs_gypi_values.remoting_client_sources, ".", "//remoting")
 
-  sources = rebase_path(gypi_values.remoting_client_sources, ".", "//remoting")
-
-  configs += [ "//build/config/compiler:wexit_time_destructors" ]
-
-  defines = [ "VERSION=$version_full" ]
+  configs += [
+    "//build/config/compiler:wexit_time_destructors",
+    "//remoting:version",
+  ]
 
   deps = [
     "//remoting/base",
+    "//remoting/codec",
     "//remoting/protocol",
     "//third_party/libyuv",
     "//third_party/webrtc/modules/desktop_capture",
   ]
 }
+
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [
+    "audio_player_unittest.cc",
+    "client_status_logger_unittest.cc",
+    "key_event_mapper_unittest.cc",
+    "plugin/empty_cursor_filter_unittest.cc",
+    "plugin/normalizing_input_filter_mac_unittest.cc",
+    "server_log_entry_client_unittest.cc",
+  ]
+
+  if (is_chromeos) {
+    sources += [ "plugin/normalizing_input_filter_cros_unittest.cc" ]
+  }
+
+  deps = [
+    ":client",
+    "//remoting/proto",
+    "//testing/gmock",
+    "//testing/gtest",
+    "//third_party/webrtc",
+  ]
+}