GN: Make content and content_shell work when !enable_plugins

content/child/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/child/child.gni")
 
 source_set("child") {
@@ skipping 29 matching lines @@
     ]
   }
 
   if (!enable_plugins) {
     sources -= [
       "browser_font_resource_trusted.cc",
       "npapi/plugin_host.cc",
       "npapi/plugin_host.h",
       "npapi/plugin_instance.cc",
       "npapi/plugin_instance.h",
-      "npapi/plugin_instance_mac.mm",
       "npapi/plugin_lib.cc",
       "npapi/plugin_lib.h",
       "npapi/plugin_stream.cc",
       "npapi/plugin_stream.h",
       "npapi/plugin_stream_posix.cc",
       "npapi/plugin_stream_url.cc",
       "npapi/plugin_stream_url.h",
-      "npapi/plugin_stream_win.cc",
       "npapi/plugin_string_stream.cc",
       "npapi/plugin_string_stream.h",
       "npapi/plugin_url_fetcher.cc",
       "npapi/plugin_url_fetcher.h",
-      "npapi/plugin_web_event_converter_mac.h",
-      "npapi/plugin_web_event_converter_mac.mm",
       "npapi/webplugin.h",
-      "npapi/webplugin_accelerated_surface_mac.h",
       "npapi/webplugin_delegate.h",
       "npapi/webplugin_delegate_impl.cc",
       "npapi/webplugin_delegate_impl.h",
-      "npapi/webplugin_delegate_impl_android.cc",
-      "npapi/webplugin_delegate_impl_aura.cc",
-      "npapi/webplugin_delegate_impl_mac.mm",
-      "npapi/webplugin_delegate_impl_win.cc",
-      "npapi/webplugin_ime_win.cc",
-      "npapi/webplugin_ime_win.h",
       "npapi/webplugin_resource_client.h",
     ]
+
+    if (is_mac) {
+      sources -= [
+        "npapi/plugin_instance_mac.mm",
+        "npapi/plugin_web_event_converter_mac.h",
+        "npapi/plugin_web_event_converter_mac.mm",
+        "npapi/webplugin_accelerated_surface_mac.h",
+        "npapi/webplugin_delegate_impl_mac.mm",
+      ]
+    } else if (is_win) {
+      sources -= [
+        "npapi/plugin_stream_win.cc",
+        "npapi/webplugin_delegate_impl_win.cc",
+        "npapi/webplugin_ime_win.cc",
+        "npapi/webplugin_ime_win.h",
+      ]
+    } else if (is_android) {
+      sources -= [
+        "npapi/webplugin_delegate_impl_android.cc",
+      ]
+    }
+    if (use_aura) {
+      sources -= [
+        "npapi/webplugin_delegate_impl_aura.cc",
+      ]
+    }
   }
 
   configs += [
     "//content:content_implementation",
   ]
 
   if (is_ios) {
     # iOS only needs a small portion of content; exclude all the
     # implementation, and re-include what is used.
     sources = []
@@ skipping 19 matching lines @@
   }
 
   if (!use_openssl) {
     sources += rebase_path(content_child_gypi_values.webcrypto_nss_sources,
                            ".", "//content")
   } else {
     sources += rebase_path(content_child_gypi_values.webcrypto_openssl_sources,
                            ".", "//content")
   }
 }