Fix GN bootstrap
This fixes the following compile error:
c++ -pthread -o gn -Wl,--start-group tools/gn/gn_main.o libevent.a base.a xdg_user_dirs.a gn_lib.a dynamic_annotations.a -Wl,--end-group -lrt -latomic
base/trace_event/trace_event_memory_overhead.o: In function `base::trace_event::TraceEventMemoryOverhead::AddString(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)':
trace_event_memory_overhead.cc:(.text+0x228): undefined reference to `unsigned long base::trace_event::EstimateMemoryUsage<char, std::char_traits<char>, std::allocator<char> >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
base/trace_event/trace_event_memory_overhead.o: In function `base::trace_event::TraceEventMemoryOverhead::AddRefCountedString(base::RefCountedString const&)':
trace_event_memory_overhead.cc:(.text+0x267): undefined reference to `unsigned long base::trace_event::EstimateMemoryUsage<char, std::char_traits<char>, std::allocator<char> >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
base/trace_event/trace_event_memory_overhead.o: In function `base::trace_event::TraceEventMemoryOverhead::AddValue(base::Value const&)':
trace_event_memory_overhead.cc:(.text+0x309): undefined reference to `unsigned long base::trace_event::EstimateMemoryUsage<char, std::char_traits<char>, std::allocator<char> >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
trace_event_memory_overhead.cc:(.text+0x409): undefined reference to `unsigned long base::trace_event::EstimateMemoryUsage<char, std::char_traits<char>, std::allocator<char> >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
collect2: error: ld returned 1 exit status
TBR=brettw
BUG=none
Review-Url: https://codereview.chromium.org/2860363002 .
Cr-Original-Commit-Position: refs/heads/master@{#469622}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 9b718c790912bf0389fcd44bacf393d013ee1574
diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index 5ba591a..399ccea 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -546,6 +546,7 @@
'base/trace_event/memory_infra_background_whitelist.cc',
'base/trace_event/memory_peak_detector.cc',
'base/trace_event/memory_tracing_observer.cc',
+ 'base/trace_event/memory_usage_estimator.cc',
'base/trace_event/process_memory_dump.cc',
'base/trace_event/process_memory_maps.cc',
'base/trace_event/process_memory_totals.cc',
