Update to Chromium //base at Chromium commit 82baa9afc6620c68cb2168f20bb65e77e3e57f0a.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 86db541f680ae04b39fd35e0d3ec86495dea58f9..fae5384828acd143d4dfc68bb6ed9347f99cc2c9 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -64,8 +64,6 @@ component("base") {
   sources = [
     "allocator/allocator_extension.cc",
     "allocator/allocator_extension.h",
-    "allocator/type_profiler_control.cc",
-    "allocator/type_profiler_control.h",
     "android/animation_frame_time_histogram.cc",
     "android/animation_frame_time_histogram.h",
     "android/apk_assets.cc",
@@ -649,13 +647,15 @@ component("base") {
 
   if (is_ios) {
     sources -= [
+      "files/file_path_watcher.cc",
+      "files/file_path_watcher.h",
+      "files/file_path_watcher_fsevents.cc",
+      "files/file_path_watcher_fsevents.h",
+      "files/file_path_watcher_kqueue.cc",
+      "files/file_path_watcher_kqueue.h",
       "message_loop/message_pump_libevent.cc",
       "message_loop/message_pump_libevent.h",
     ]
-
-    set_sources_assignment_filter([])
-    sources += [ "files/file_path_watcher_mac.cc" ]
-    set_sources_assignment_filter(sources_assignment_filter)
   }
 
   sources -= [
@@ -729,8 +729,6 @@ component("base") {
     set_sources_assignment_filter(sources_assignment_filter)
 
     sources -= [
-      "allocator/type_profiler_control.cc",
-      "allocator/type_profiler_control.h",
       "async_socket_io_handler_posix.cc",
       "cpu.cc",
       "files/file_enumerator_posix.cc",
@@ -1434,6 +1432,7 @@ test("base_unittests") {
     "win/registry_unittest.cc",
     "win/scoped_bstr_unittest.cc",
     "win/scoped_comptr_unittest.cc",
+    "win/scoped_handle_unittest.cc",
     "win/scoped_process_information_unittest.cc",
     "win/scoped_variant_unittest.cc",
     "win/shortcut_unittest.cc",
@@ -1481,6 +1480,7 @@ test("base_unittests") {
 
   if (is_ios) {
     sources -= [
+      "files/file_path_watcher_unittest.cc",
       "memory/discardable_shared_memory_unittest.cc",
       "memory/shared_memory_unittest.cc",
       "process/memory_unittest.cc",