Update from https://crrev.com/317530

base/BUILD.gn

Index: base/BUILD.gn
diff --git a/base/BUILD.gn b/base/BUILD.gn
index e4176811a8a5978cf1cbfb33883ba661b87b2eee..c63d3778ca4cd3ff5cf103efdd915dd78692bfe0 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -42,7 +42,6 @@ component("base") {
     "android/jni_android.h",
     "android/jni_array.cc",
     "android/jni_array.h",
-    "android/jni_onload_delegate.h",
     "android/jni_registrar.cc",
     "android/jni_registrar.h",
     "android/jni_string.cc",
@@ -676,6 +675,10 @@ component("base") {
     "trace_event/memory_dump_provider.h",
     "trace_event/process_memory_dump.cc",
     "trace_event/process_memory_dump.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_event.h",
     "trace_event/trace_event_android.cc",
     "trace_event/trace_event_argument.cc",
@@ -869,7 +872,7 @@ component("base") {
     ]
 
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
     libs = [
       "cfgmgr32.lib",
@@ -1028,10 +1031,8 @@ component("i18n") {
     configs += [ "//build/config/compiler:optimize_max" ]
   }
 
-  if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
-  }
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 }
 
 source_set("prefs") {
@@ -1335,6 +1336,7 @@ test("base_unittests") {
     "timer/timer_unittest.cc",
     "tools_sanity_unittest.cc",
     "trace_event/memory_dump_manager_unittest.cc",
+    "trace_event/process_memory_totals_dump_provider_unittest.cc",
     "trace_event/trace_event_argument_unittest.cc",
     "trace_event/trace_event_memory_unittest.cc",
     "trace_event/trace_event_synthetic_delay_unittest.cc",
@@ -1439,10 +1441,8 @@ test("base_unittests") {
     set_sources_assignment_filter(sources_assignment_filter)
   }
 
-  if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
-  }
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 }
 
 if (is_android) {