Update to Chromium //base at Chromium commit 01cb97b2e09618bbc3a60c7348f0a844eea20547.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 2709e901fc10882197590cbff2caa83754c003d3..c646464d2edbdcc04afebab6a8eb759539dc97b5 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -764,6 +764,11 @@ component("base") {
 
   # Windows.
   if (is_win) {
+    sources += [
+      "profiler/win32_stack_frame_unwinder.cc",
+      "profiler/win32_stack_frame_unwinder.h",
+    ]
+
     sources -= [
       "message_loop/message_pump_libevent.cc",
       "strings/string16.cc",
@@ -1247,6 +1252,7 @@ test("base_unittests") {
     "files/file_util_proxy_unittest.cc",
     "files/file_util_unittest.cc",
     "files/important_file_writer_unittest.cc",
+    "files/memory_mapped_file_unittest.cc",
     "files/scoped_temp_dir_unittest.cc",
     "gmock_unittest.cc",
     "guid_unittest.cc",
@@ -1306,6 +1312,7 @@ test("base_unittests") {
     "metrics/field_trial_unittest.cc",
     "metrics/histogram_base_unittest.cc",
     "metrics/histogram_delta_serialization_unittest.cc",
+    "metrics/histogram_macros_unittest.cc",
     "metrics/histogram_snapshot_manager_unittest.cc",
     "metrics/histogram_unittest.cc",
     "metrics/sample_map_unittest.cc",
@@ -1378,6 +1385,7 @@ test("base_unittests") {
     "test/histogram_tester_unittest.cc",
     "test/icu_test_util.cc",
     "test/icu_test_util.h",
+    "test/test_pending_task_unittest.cc",
     "test/test_reg_util_win_unittest.cc",
     "test/trace_event_analyzer_unittest.cc",
     "test/user_action_tester_unittest.cc",