[HBD] Merge two identical ShouldUseJavaScriptSettingForPlugin impls

chrome/common/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/buildflag_header.gni")
 import("//build/util/process_version.gni")
 import("//chrome/common/features.gni")
 import("//chrome/process_version_rc_template.gni")  # For branding_file_path.
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 440 matching lines @@
     public_deps += [
       "//third_party/google_toolbox_for_mac",
       "//third_party/mach_override",
     ]
   }
 
   if (enable_plugins) {
     sources += [
       "pepper_flash.cc",
       "pepper_flash.h",
+      "plugin_utils.cc",
+      "plugin_utils.h",
       "ppapi_utils.cc",
       "ppapi_utils.h",
     ]
     public_deps += [ "//third_party/adobe/flash:flapper_version_h" ]
   }
   if (enable_plugins && enable_extensions) {
     sources += [
       "pepper_permission_util.cc",
       "pepper_permission_util.h",
     ]
@@ skipping 183 matching lines @@
     "shell_handler_win.mojom",
   ]
 
   public_deps = [
     "//skia/public/interfaces",
     "//url/mojo:url_mojom_gurl",
   ]
 
   use_new_wrapper_types = false
 }