grit: qualify includes for shell_resources.h, virtual_driver_setup_resources.h, bluetooth_strings.h

chromecast/app/BUILD.gn

Index: chromecast/app/BUILD.gn
diff --git a/chromecast/app/BUILD.gn b/chromecast/app/BUILD.gn
index 8de02c89df413b0c02b2e1024e420b4607d987f6..55c82872acf7249b9aac59cafb5f60295085629a 100644
--- a/chromecast/app/BUILD.gn
+++ b/chromecast/app/BUILD.gn
@@ -92,6 +92,7 @@ source_set("unittests") {
 
 grit("resources") {
   source = "//chromecast/app/resources/shell_resources.grd"
+  use_qualified_include = true
 
   resource_ids = "//chromecast/app/resources/resource_ids"
 
@@ -104,6 +105,8 @@ grit("resources") {
 grit("chromecast_settings") {
   source = "//chromecast/app/resources/chromecast_settings.grd"
   resource_ids = "//chromecast/app/resources/resource_ids"
+
+  # TODO(thakis): Consider removing this in favor of the default directory.
   output_dir = "$root_gen_dir/chromecast_strings"
 
   outputs = [