Address some TODO(GYP)s in the GN build.

chrome/browser/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/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 795 matching lines @@
       "OpenGL.framework",
       "QuartzCore.framework",
       "SecurityInterface.framework",
     ]
   }
 
   if (enable_rlz) {
     deps += [ ":rlz" ]
   }
 
-  # TODO(GYP)
-  # Temporary fix to break the browser target into smaller chunks so it
-  # will link with goma builds.
-  #["OS=="win" and chromium_win_pch==0", {
-  #  "msvs_shard": 4,
-  #}],
-
   if (is_win) {
     sources +=
         rebase_path(gypi_values.chrome_browser_win_sources, ".", "//chrome")
     public_deps += [
       "//ui/views",
       "//ui/views/controls/webview",
     ]
     deps += [
       ":chrome_process_finder",
       "//chrome:file_pre_reader",
@@ skipping 504 matching lines @@
         rebase_path(gypi_values.chrome_browser_rlz_sources, ".", "//chrome")
     deps = [
       "//components/google/core/browser",
       "//components/omnibox/browser",
       "//components/rlz",
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }