Enable external popup menu in Blimp, part 1/2.

content/renderer/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/renderer/renderer.gni")
 import("//media/media_options.gni")
 import("//third_party/webrtc/build/webrtc.gni")
 
@@ skipping 83 matching lines @@
     "//ui/surface",
     "//v8",
   ]
   allow_circular_includes_from = []
 
   if (use_aura) {
     public_deps += [ "//content/renderer/mus" ]
     allow_circular_includes_from += [ "//content/renderer/mus" ]
   }
 
+  if (use_external_popup_menu) {
+    sources += [
+      "external_popup_menu.cc",
+      "external_popup_menu.h",
+    ]
+  }
+
   if (is_mac) {
     sources -= [
       "webscrollbarbehavior_impl_gtkoraura.cc",
       "webscrollbarbehavior_impl_gtkoraura.h",
     ]
-    sources += [
-      "external_popup_menu.cc",
-      "external_popup_menu.h",
-    ]
   }
 
   if (is_android) {
-    sources += [
-      "external_popup_menu.cc",
-      "external_popup_menu.h",
-    ]
-
     # Add back the Linux file which Android shares.
     set_sources_assignment_filter([])
     sources += [ "render_view_linux.cc" ]
 
     deps += [
       "//third_party/android_tools:cpu_features",
       "//third_party/libphonenumber",
     ]
   } else {
     sources -= [
@@ skipping 130 matching lines @@
     # For the defines in mojo_media_config.
     public_configs = [ "//media/mojo/services:mojo_media_config" ]
   }
 
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }