Make lsan and tsan suppressions files overridable.

build/config/sanitizers/BUILD.gn

 # Copyright 2014 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_overrides/build.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/clang/clang.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/toolchain/toolchain.gni")
 
 # Contains the dependencies needed for sanitizers to link into executables and
 # shared_libraries. Unconditionally depend upon this target as it is empty if
 # |is_asan|, |is_lsan|, |is_tsan|, |is_msan| and |use_custom_libcxx| are false.
 group("deps") {
@@ skipping 110 matching lines @@
   sources = [
     "//build/sanitizers/sanitizer_options.cc",
   ]
 
   # Don't compile this target with any sanitizer code. It can be called from
   # the sanitizer runtimes, so instrumenting these functions could cause
   # recursive calls into the runtime if there is an error.
   configs -= [ "//build/config/sanitizers:default_sanitizer_flags" ]
 
   if (is_asan) {
-    sources += [ "//build/sanitizers/asan_suppressions.cc" ]
+    sources += [ asan_suppressions_file ]
   }
 
   if (is_lsan) {
-    sources += [ "//build/sanitizers/lsan_suppressions.cc" ]
+    sources += [ lsan_suppressions_file ]
   }
 
   if (is_tsan) {
-    sources += [ "//build/sanitizers/tsan_suppressions.cc" ]
+    sources += [ tsan_suppressions_file ]
   }
 }
 
 # Applies linker flags necessary when either :deps or :default_sanitizer_flags
 # are used.
 config("default_sanitizer_ldflags") {
   visibility = [
     ":default_sanitizer_flags",
     ":deps",
   ]
@@ skipping 345 matching lines @@
 # This allows to selectively disable ubsan_vptr, when needed. In particular,
 # if some third_party code is required to be compiled without rtti, which
 # is a requirement for ubsan_vptr.
 config("default_sanitizer_flags_but_ubsan_vptr") {
   configs = all_sanitizer_configs - [ ":ubsan_vptr_flags" ]
 }
 
 config("default_sanitizer_flags_but_coverage") {
   configs = all_sanitizer_configs - [ ":coverage_flags" ]
 }