Snapshot of all changes to get jumbo in blink and content.

content/public/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("//ppapi/features/features.gni")
+import("//content/content.gni")
 
 # See //content/BUILD.gn for how this works.
 group("child") {
   if (is_component_build) {
     public_deps = [
       "//content",
     ]
   } else {
     public_deps = [
       ":child_sources",
     ]
     if (!is_android) {
       public_deps += [ "//content/gpu" ]
     }
     if (enable_plugins) {
       public_deps += [ "//content/ppapi_plugin" ]
     }
   }
 }
 
-source_set("child_sources") {
+content_source_set("child_sources") {
   # External code should depend in via ":child" above.
   visibility = [ "//content/*" ]
 
   sources = [
     "child_process_sandbox_support_linux.h",
     "child_thread.h",
     "child_url_loader_factory_getter.h",
     "fixed_received_data.cc",
     "fixed_received_data.h",
     "image_decoder_utils.h",
@@ skipping 14 matching lines @@
     "//gin",
     "//ppapi/c",
   ]
 
   allow_circular_includes_from = [
     # This target is a pair with content/child. They always go together and
     # include headers from each other.
     "//content/child",
   ]
 }