Fix gn bootstrap

BUG=837312
R=dpranke

Change-Id: Ia5c57f596388a4ba325208c638fac558984202f0
Reviewed-on: https://chromium-review.googlesource.com/1030895
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#554419}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 0d3bbfb6b8ba05af199b49f5dd71d842f6acffda

tools/gn/bootstrap/bootstrap.py

diff --git a/tools/gn/bootstrap/bootstrap.py b/tools/gn/bootstrap/bootstrap.py
index 7fa9f04..ebc3237 100755
--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -525,8 +525,11 @@
       'base/location.cc',
       'base/logging.cc',
       'base/md5.cc',
+      'base/memory/platform_shared_memory_region.cc',
+      'base/memory/read_only_shared_memory_region.cc',
       'base/memory/ref_counted.cc',
       'base/memory/ref_counted_memory.cc',
+      'base/memory/shared_memory_mapping.cc',
       'base/memory/shared_memory_handle.cc',
       'base/memory/shared_memory_tracker.cc',
       'base/memory/weak_ptr.cc',
@@ -663,6 +666,19 @@
       'base/vlog.cc',
   ])
 
+  if is_win:
+    static_libraries['base']['sources'].extend([
+        'base/memory/platform_shared_memory_region_win.cc'
+    ])
+  elif is_mac:
+    static_libraries['base']['sources'].extend([
+        'base/memory/platform_shared_memory_region_mac.cc'
+    ])
+  elif is_posix:
+    static_libraries['base']['sources'].extend([
+        'base/memory/platform_shared_memory_region_posix.cc'
+    ])
+
   if is_posix:
     static_libraries['base']['sources'].extend([
         'base/base_paths_posix.cc',