Update from https://crrev.com/333737

build/secondary/tools/grit/grit_rule.gni

 # 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.
 
 # Instantiate grit. This will produce a script target to run grit, and a
 # static library that compiles the .cc files.
 #
 # Parameters
 #
 #   source (required)
@@ skipping 295 matching lines @@
   assert(defined(invoker.source),
          "\"source\" must be defined for the grit template $target_name")
 
   grit_inputs = [ invoker.source ]
 
   if (defined(invoker.resource_ids)) {
     resource_ids = invoker.resource_ids
   } else {
     resource_ids = grit_resource_id_file
   }
-  grit_inputs += [ resource_ids ]  # Script depends on ID file.
+  if (resource_ids != "") {
+    # The script depends on the ID file. Only add this dependency if the ID
+    # file is specified.
+    grit_inputs += [ resource_ids ]
+  }
 
   if (defined(invoker.output_dir)) {
     output_dir = invoker.output_dir
   } else {
     output_dir = target_gen_dir
   }
 
   if (defined(invoker.output_name)) {
     grit_output_name = invoker.output_name
   } else {
@@ skipping 111 matching lines @@
     }
   }
 
   # This is the thing that people actually link with, it must be named the
   # same as the argument the template was invoked with.
   source_set(target_name) {
     # Since we generate a file, we need to be run before the targets that
     # depend on us.
     sources = grit_outputs
 
-    # Deps set on the template invocation will go on the grit script running
-    # target rather than this library.
-    deps = [
+    # Deps set on the template invocation will go on the action that runs
+    # grit above rather than this library. This target needs to depend on the
+    # action publicly so other scripts can take the outputs from the grit
+    # script as inputs.
+    public_deps = [
       ":$grit_custom_target",
     ]
     public_configs = [ ":$grit_config" ]
 
     if (defined(invoker.public_configs)) {
       public_configs += invoker.public_configs
     }
 
     if (defined(invoker.configs)) {
       configs += invoker.configs
     }
 
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }
     output_name = grit_output_name
   }
 }