[Chromoting] Retrieve process resource usage (ProcessStats) and its tests

remoting/host/BUILD.gn

Index: remoting/host/BUILD.gn
diff --git a/remoting/host/BUILD.gn b/remoting/host/BUILD.gn
index 5b8afbf4b6cd5917899fb301c7912cbac2b6dfd8..a0fadef95abd4042d330a12ff63f3df5df7c832c 100644
--- a/remoting/host/BUILD.gn
+++ b/remoting/host/BUILD.gn
@@ -107,6 +107,8 @@ static_library("host") {
     "continue_window_linux.cc",
     "continue_window_mac.mm",
     "continue_window_win.cc",
+    "current_process_stats_agent.cc",
+    "current_process_stats_agent.h",
     "curtain_mode.h",
     "curtain_mode_linux.cc",
     "curtain_mode_mac.cc",
@@ -142,6 +144,8 @@ static_library("host") {
     "disconnect_window_win.cc",
     "dns_blackhole_checker.cc",
     "dns_blackhole_checker.h",
+    "forward_process_stats_agent.cc",
+    "forward_process_stats_agent.h",
     "gcd_rest_client.cc",
     "gcd_rest_client.h",
     "gcd_state_updater.cc",
@@ -248,6 +252,11 @@ static_library("host") {
     "policy_watcher.h",
     "posix/signal_handler.cc",
     "posix/signal_handler.h",
+    "process_stats_agent.h",
+    "process_stats_sender.cc",
+    "process_stats_sender.h",
+    "process_stats_util.cc",
+    "process_stats_util.h",
     "register_support_host_request.cc",
     "register_support_host_request.h",
     "remote_input_filter.cc",
@@ -517,6 +526,7 @@ source_set("unit_tests") {
     "pairing_registry_delegate_win_unittest.cc",
     "pin_hash_unittest.cc",
     "policy_watcher_unittest.cc",
+    "process_stats_sender_unittest.cc",
     "register_support_host_request_unittest.cc",
     "remote_input_filter_unittest.cc",
     "resizing_host_observer_unittest.cc",