Revert of [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 a0fadef95abd4042d330a12ff63f3df5df7c832c..5b8afbf4b6cd5917899fb301c7912cbac2b6dfd8 100644
--- a/remoting/host/BUILD.gn
+++ b/remoting/host/BUILD.gn
@@ -107,8 +107,6 @@
     "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",
@@ -144,8 +142,6 @@
     "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",
@@ -252,11 +248,6 @@
     "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",
@@ -526,7 +517,6 @@
     "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",