Fix gn bootstrap

R=dpranke

Change-Id: I469e7e478141e7c389f7a16a5e860122785bab44
Reviewed-on: https://chromium-review.googlesource.com/1072740
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#561663}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8aca6d50942218ba7887b8b41a44e4f1b7d6f091

tools/gn/bootstrap/bootstrap.py

diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index 0d5f42a..300abac 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -649,7 +649,6 @@
       'base/trace_event/memory_peak_detector.cc',
       'base/trace_event/memory_usage_estimator.cc',
       'base/trace_event/process_memory_dump.cc',
-      'base/trace_event/sharded_allocation_register.cc',
       'base/trace_event/trace_buffer.cc',
       'base/trace_event/trace_config.cc',
       'base/trace_event/trace_config_category_filter.cc',