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

remoting/base/BUILD.gn

Index: remoting/base/BUILD.gn
diff --git a/remoting/base/BUILD.gn b/remoting/base/BUILD.gn
index da46b4b265a7816e662d9891edc25331fcf68b75..eee5bc297cdab9f62b0ffd33ab7913ab7649a757 100644
--- a/remoting/base/BUILD.gn
+++ b/remoting/base/BUILD.gn
@@ -20,8 +20,17 @@ source_set("base") {
     "compound_buffer.h",
     "constants.cc",
     "constants.h",
+    "forward_process_stats_agent.cc",
+    "forward_process_stats_agent.h",
     "leaky_bucket.cc",
     "leaky_bucket.h",
+    "process_stats.cc",
+    "process_stats.h",
+    "process_stats_agent.cc",
+    "process_stats_agent.h",
+    "process_stats_stub.h",
+    "process_stats_util.cc",
+    "process_stats_util.h",
     "rate_counter.cc",
     "rate_counter.h",
     "rsa_key_pair.cc",
@@ -43,6 +52,14 @@ source_set("base") {
     "vlog_net_log.h",
   ]
 
+  if (!is_nacl) {

[Sergey Ulanov, 2017/04/03 23:50:21]

In most other places we put everything in sources and then conditionally remove
it. There is already  if (is_nacl) block below.

[Hzj_jie, 2017/04/05 20:52:16]

Done.

+    # There is no ProcessMetrics implementation on NACL.

[Sergey Ulanov, 2017/04/03 23:50:21]

It's not implemented for Android either. Do we need any of this stuff outside of
remoting/host? If not, maybe move it to host directory?

[Hzj_jie, 2017/04/05 20:52:16]

Done.

+    sources += [
+      "current_process_stats_agent.cc",
+      "current_process_stats_agent.h",
+    ]
+  }
+
   configs += [
     "//build/config/compiler:wexit_time_destructors",
     "//remoting/build/config:version",
@@ -162,6 +179,10 @@ source_set("unit_tests") {
     "util_unittest.cc",
   ]
 
+  if (!is_nacl) {
+    sources += [ "process_stats_unittest.cc" ]
+  }
+
   deps = [
     ":test_support",
     "//mojo/edk/system",