Inline devtools_discovery_page_resources.grd into browser_resources.grd.

tools/gritsettings/resource_ids

 # Copyright (c) 2012 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.
 #
 # This file is used to assign starting resource ids for resources and strings
 # used by Chromium.  This is done to ensure that resource ids are unique
 # across all the grd files.  If you are adding a new grd file, please add
 # a new entry to this file.
 #
 # The first entry in the file, SRCDIR, is special: It is a relative path from
@@ skipping 125 matching lines @@
   "chrome/browser/resources/signin_internals_resources.grd": {
     "includes": [21750],
   },
   # This file is generated during the build.
   "<(SHARED_INTERMEDIATE_DIR)/devtools/devtools_resources.grd": {
     "includes": [22000],
   },
   "devtools_resources.grd": {
     "includes": [22000],
   },
-  "chrome/browser/devtools/frontend/devtools_discovery_page_resources.grd": {
-    "includes": [22500],
-  },
   "chrome/browser/resources/options_resources.grd": {
     "includes": [23000],
   },
   "chrome/browser/resources/options_resources.grd": {
     "structures": [23200],
   },
   "cloud_print/virtual_driver/win/install/virtual_driver_setup_resources.grd": {
     "messages": [23500],
     "includes": [23550],
   },
@@ skipping 48 matching lines @@
     "messages": [30000],
   },
   "components/dom_distiller_resources.grd": {
     "includes": [30250],
   },
   "third_party/WebKit/public/blink_resources.grd": {
     "includes": [30500],
   },
   # Resource ids starting at 31000 are reserved for projects built on Chromium.
 }