Make deps of GN groups public.

Source/platform/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/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/platform/platform.gni")
 import("//third_party/WebKit/Source/platform/platform_generated.gni")
@@ skipping 138 matching lines @@
     rebase_path(color_data_gperf, root_build_dir),
     "--output-file=" + rebase_path(output_file, root_build_dir),
   ]
 }
 
 # This isn't strictly necessary since we can just add the deps to "platform",
 # but it helps to have the targets match the GYP build.
 group("make_platform_generated") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ "//third_party/WebKit/Source/*" ]
-  deps = [
+  public_deps = [
     ":blink_common",
     ":color_data",
     ":font_family_names",
     ":runtime_enabled_features",
   ]
 }
 
 # TODO(brettw) Objective C Renaming postbuild steps on Mac.
 # blink_platform target in blink_platform.gyp
 component("platform") {
@@ skipping 256 matching lines @@
   }
 }
 
 
 if (current_cpu == "x86" || current_cpu == "x64") {
   source_set("blink_x86_sse") {
     sources = blink_platform_sse_files
     deps = [ ":blink_common" ]
   }
 }