Convert miscellaneous RenderThreadImpl messages to mojom

content/common/native_types.typemap

Index: content/common/native_types.typemap
diff --git a/content/common/native_types.typemap b/content/common/native_types.typemap
index ad8a54687371cfe4e92d29dc2cb8dd52ce79ac13..6ee3a9b4740eeaac247b4a66e202d470493de89b 100644
--- a/content/common/native_types.typemap
+++ b/content/common/native_types.typemap
@@ -9,6 +9,7 @@ public_headers = [
   "//content/common/resize_params.h",
   "//content/public/common/renderer_preferences.h",
   "//content/public/common/web_preferences.h",
+  "//net/base/network_change_notifier.h",
 ]
 traits_headers = [
   "//content/common/frame_messages.h",
@@ -25,6 +26,7 @@ public_deps = [
   "//cc/ipc",
   "//media",
   "//media/base/ipc",
+  "//net",
   "//ui/accessibility",
   "//ui/base/ime:text_input_types",
   "//ui/gfx/ipc",
@@ -36,6 +38,7 @@ public_deps = [
 type_mappings = [
   "content.mojom.FrameOwnerProperties=content::FrameOwnerProperties",
   "content.mojom.FrameReplicationState=content::FrameReplicationState",
+  "content.mojom.NetworkConnectionType=net::NetworkChangeNotifier::ConnectionType",
   "content.mojom.RendererPreferences=content::RendererPreferences",
   "content.mojom.ResizeParams=content::ResizeParams",
   "content.mojom.WebPreferences=content::WebPreferences",