Use a qualified path to blink resources, blink part.

public/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("//tools/grit/grit_rule.gni")
 
 if (!is_android) {
 
 # GYP version: WebKit/public/blink.gyp:blink
 group("blink") {
@@ skipping 58 matching lines @@
   ]
 }
 
 # GYP version: WebKit/public/blink_devtools.gyp:blink_generate_devtools_grd
 group("blink_generate_devtools_grd") {
   deps = [
     "//third_party/WebKit/Source/devtools:generate_devtools_grd",
   ]
 }
 
+# GYP version: WebKit/public/blink_resources.gyp:blink_resources
 grit("resources") {
+  output_dir = "$root_gen_dir/blink/public/resources"

[tfarina, 2014/07/31 18:29:36]

that is right, otherwise it will expand to
gen/third_party/WebKit/public/grit/blink_resources.h

+  # TODO(thakis): Add this once https://codereview.chromium.org/430083002 has
+  # landed.
+  # use_qualified_include = true
   source = "blink_resources.grd"
   outputs = [
     "grit/blink_resources.h",
     "blink_resources.rc",
     "blink_resources.pak",
   ]
 }