Eliminate absolute paths in ninja files for Linux Release build

third_party/WebKit/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("//build/buildflag_header.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 665 matching lines @@
 grit("resources") {
   output_dir = "$root_gen_dir/blink/public/resources"
   source = "blink_resources.grd"
   outputs = [
     "grit/blink_resources.h",
     "blink_resources.pak",
   ]
   html_min_css = "$blink_core_output_dir/html.css"
   grit_flags = [
     "-E",
-    "html_min_css=" + rebase_path(html_min_css),
+    "html_min_css=" + rebase_path(html_min_css, "."),
   ]
   deps = [
     "//third_party/WebKit/Source/core:make_minimized_css",
   ]
 }
 
 grit("image_resources") {
   output_dir = "$root_gen_dir/blink/public/resources"
   source = "blink_image_resources.grd"
   outputs = [
@@ skipping 139 matching lines @@
   sources = [
     "web/ConsoleMessageStructTraits.cpp",
     "web/ConsoleMessageStructTraits.h",
   ]
   deps = [
     ":blink_headers",
     ":mojo_bindings_shared__generator",
     "//mojo/public/cpp/bindings:struct_traits",
   ]
 }