Add support for link repros and use it on net_perftests.

net/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/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 1578 matching lines @@
 
     if (enable_websockets) {
       sources += [ "websockets/websocket_frame_perftest.cc" ]
     }
 
     if (use_v8_in_net) {
       deps += [ ":net_with_v8" ]
     } else {
       sources -= [ "proxy/proxy_resolver_perftest.cc" ]
     }
+
+    # Some linker failures have been observed for this target on the Win64
+    # continuous builder, see crbug.com/659369.
+    # TODO(sebmarchand): Remove this once we have some data.
+    if (is_win && linkrepro_root_dir != "") {
+      ldflags = [ "/LINKREPRO:" + linkrepro_root_dir + "/" + target_name ]
+    }
   }
 }
 
 # Fuzzers
 
 # This has a global (InitGlobals) that must always be linked in, so
 # must be a source set instead of a static library.
 source_set("net_fuzzer_test_support") {
   testonly = true
 
@@ skipping 457 matching lines @@
     "http/http_security_headers_hpkp_report_only_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     "//base",
     "//net",
     "//url",
   ]
   dict = "data/fuzzer_dictionaries/net_http_security_headers_fuzzer.dict"
 }