[Android WebView] Put error page files into WebView resources

tools/gritsettings/resource_ids

Index: tools/gritsettings/resource_ids
diff --git a/tools/gritsettings/resource_ids b/tools/gritsettings/resource_ids
index 988008c1fb48d85bec9a5d0b4db91bd1b27b06bf..6cf84ae3f93bc2236f25aa05708bbe3c05553968 100644
--- a/tools/gritsettings/resource_ids
+++ b/tools/gritsettings/resource_ids
@@ -171,8 +171,8 @@
   "<(SHARED_INTERMEDIATE_DIR)/content/browser/tracing/tracing_resources.grd": {
     "includes": [25750],
   },
-  # iOS resources overlap with ash, chromeos and extensions_api, as these are
-  # not used on iOS.
+  # iOS resources overlap with android_webview, ash, chromeos and extensions_api,
+  # as these are not used on iOS.
   "ios/chrome/app/strings/ios_strings_resources.grd": {
     "messages": [26000],
   },
@@ -182,6 +182,11 @@
   "ash/ash_strings.grd": {
     "messages": [26000],
   },
+  "android_webview/renderer/aw_renderer_resources.grd": {
+    "includes": [26000],
+    "structures": [26050],
+    "messages": [26100],
+  },
   "ui/chromeos/resources/ui_chromeos_resources.grd": {
     "structures": [26200],
   },