Update from https://crrev.com/315085

base/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 153 matching lines @@
     "debug/proc_maps_linux.h",
     "debug/profiler.cc",
     "debug/profiler.h",
     "debug/stack_trace.cc",
     "debug/stack_trace.h",
     "debug/stack_trace_android.cc",
     "debug/stack_trace_posix.cc",
     "debug/stack_trace_win.cc",
     "debug/task_annotator.cc",
     "debug/task_annotator.h",
-    "debug/trace_event.h",
-    "debug/trace_event_argument.h",
-    "debug/trace_event_impl.h",
-    "debug/trace_event_synthetic_delay.h",
-    "debug/trace_event_win.h",
     "deferred_sequenced_task_runner.cc",
     "deferred_sequenced_task_runner.h",
     "environment.cc",
     "environment.h",
     "file_descriptor_posix.h",
     "file_version_info.h",
     "file_version_info_mac.h",
     "file_version_info_mac.mm",
     "file_version_info_win.cc",
     "file_version_info_win.h",
@@ skipping 151 matching lines @@
     "memory/linked_ptr.h",
     "memory/manual_constructor.h",
     "memory/memory_pressure_listener.cc",
     "memory/memory_pressure_listener.h",
     "memory/raw_scoped_refptr_mismatch_checker.h",
     "memory/ref_counted.cc",
     "memory/ref_counted.h",
     "memory/ref_counted_delete_on_message_loop.h",
     "memory/ref_counted_memory.cc",
     "memory/ref_counted_memory.h",
-    "memory/scoped_open_process.h",
     "memory/scoped_policy.h",
     "memory/scoped_ptr.h",
     "memory/scoped_vector.h",
     "memory/shared_memory.h",
     "memory/shared_memory_android.cc",
     "memory/shared_memory_nacl.cc",
     "memory/shared_memory_posix.cc",
     "memory/shared_memory_win.cc",
     "memory/singleton.cc",
     "memory/singleton.h",
@@ skipping 1178 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }