[tracing] Dump child processes' memory metrics in browser

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index 6ebec967b9ab2e76bf487171c074ccce0c0c581b..d80bdf0cd27db2141d2c6e125194af221f73964c 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -849,11 +849,8 @@ target(base_target_type, "base") {
     "trace_event/process_memory_dump.h",
     "trace_event/process_memory_maps.cc",
     "trace_event/process_memory_maps.h",
-    "trace_event/process_memory_maps_dump_provider.h",
     "trace_event/process_memory_totals.cc",
     "trace_event/process_memory_totals.h",
-    "trace_event/process_memory_totals_dump_provider.cc",
-    "trace_event/process_memory_totals_dump_provider.h",
     "trace_event/trace_buffer.cc",
     "trace_event/trace_buffer.h",
     "trace_event/trace_config.cc",
@@ -983,7 +980,6 @@ target(base_target_type, "base") {
     # Android uses some Linux sources, put those back.
     set_sources_assignment_filter([])
     sources += [
-      "debug/proc_maps_linux.cc",

[Primiano Tucci (use gerrit), 2016/01/05 11:55:17]

I think you are mistakenly removing this line after some rebase

[ssid, 2016/01/06 20:26:33]

Done.

       "files/file_path_watcher_linux.cc",
       "posix/unix_domain_socket_linux.cc",
       "process/internal_linux.cc",
@@ -994,7 +990,6 @@ target(base_target_type, "base") {
       "sys_info_linux.cc",
       "trace_event/malloc_dump_provider.cc",
       "trace_event/malloc_dump_provider.h",
-      "trace_event/process_memory_maps_dump_provider.cc",
     ]
     set_sources_assignment_filter(sources_assignment_filter)
 
@@ -1061,7 +1056,6 @@ target(base_target_type, "base") {
       "sync_socket_posix.cc",
       "sys_info.cc",
       "sys_info_posix.cc",
-      "trace_event/process_memory_totals_dump_provider.cc",
       "trace_event/trace_event_system_stats_monitor.cc",
     ]
 
@@ -1190,7 +1184,6 @@ target(base_target_type, "base") {
     sources += [
       "trace_event/malloc_dump_provider.cc",
       "trace_event/malloc_dump_provider.h",
-      "trace_event/process_memory_maps_dump_provider.cc",
     ]
 
     if (is_asan || is_lsan || is_msan || is_tsan) {
@@ -1827,7 +1820,6 @@ test("base_unittests") {
     "trace_event/memory_allocator_dump_unittest.cc",
     "trace_event/memory_dump_manager_unittest.cc",
     "trace_event/process_memory_dump_unittest.cc",
-    "trace_event/process_memory_totals_dump_provider_unittest.cc",
     "trace_event/trace_config_memory_test_util.h",
     "trace_event/trace_config_unittest.cc",
     "trace_event/trace_event_argument_unittest.cc",
@@ -1942,10 +1934,6 @@ test("base_unittests") {
     }
   }
 
-  if (is_linux || is_android) {
-    sources += [ "trace_event/process_memory_maps_dump_provider_unittest.cc" ]
-  }
-
   if (!is_linux || use_ozone) {
     sources -= [ "message_loop/message_pump_glib_unittest.cc" ]
   }