Update from https://crrev.com/314320

build/config/BUILDCONFIG.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.
 
 # =============================================================================
 # BUILD FLAGS
 # =============================================================================
 #
 # This block lists input arguments to the build, along with their default
 # values. GN requires listing them explicitly so it can validate input and have
@@ skipping 58 matching lines @@
 
   # TODO(cjhopman): Make target_arch work for all platforms.
 
   # Architecture of the target device. For Android builds, this will be equal to
   # the cpu_arch of the default toolchain. When checking the CPU architecture
   # for source files and build dependencies you should almost alway use cpu_arch
   # instead. cpu_arch is the architecture of the current toolchain and allows
   # cross-compiles (compiling the same target for multiple toolchains in the
   # same build) to work.
   target_arch = "arm"
+
+  # TODO(brettw) remove this flag (and therefore enable linking all targets) on
+  # Windows when we have sufficient bot capacity. In the meantime, you can
+  # enable linking for local compiles.
+  link_chrome_on_windows = false
 }
 
 # =============================================================================
 # OS DEFINITIONS
 # =============================================================================
 #
 # We set these various is_FOO booleans for convenience in writing OS-based
 # conditions.
 #
 # - is_android, is_chromeos, is_ios, and is_win should be obvious.
@@ skipping 621 matching lines @@
       }
       if (defined(invoker.testonly)) {
         testonly = invoker.testonly
       }
       if (defined(invoker.visibility)) {
         visibility = invoker.visibility
       }
     }
   }
 }