Reland: Compile FreeType with HarfBuzz support

chrome/browser/ui/libgtkui/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.
 
 assert(is_linux, "This file should only be referenced on Linux")
 
 import("//build/config/features.gni")
 import("//build/config/linux/gtk/gtk.gni")
 import("//printing/features/features.gni")
 
@@ skipping 81 matching lines @@
       ]
       configs += [ "//build/config/linux/gconf" ]
     }
 
     if (use_cups) {
       configs += [ "//printing:cups" ]
     }
 
     defines = [ "LIBGTKUI_IMPLEMENTATION" ]
 
-    # GTK pulls pangoft2 as dependency, and pangoft2 depends on harfbuzz.
-    # To avoid missing indirectly referenced harfbuzz symbols from pango,
-    # some hack is required when bundled harfbuzz is used and component build is
-    # disabled.
-    # See crbug.com/462689 for details.
-    all_dependent_configs = [ "//third_party/harfbuzz-ng:pangoft2_link_hack" ]
-
     deps = invoker.deps + [
              "//base",
              "//base:i18n",
              "//base/third_party/dynamic_annotations",
              "//cc/paint",
              "//chrome:extra_resources",
              "//chrome:resources",
              "//chrome:strings",
              "//chrome/app:command_ids",
              "//chrome/app/theme:theme_resources",
              "//components/resources",
              "//content/public/browser",
              "//printing",
              "//skia",
+
+             # GTK pulls pangoft2, which requires HarfBuzz symbols. Since we
+             # link our own HarfBuzz, avoid mixing symbols from system HarfBuzz
+             # and own ones, hence the dependency to harfbuzz-ng here.
+             "//third_party/harfbuzz-ng",

[Evan Stade, 2017/05/15 16:40:07]

this looks like something thomasanderson@ knows about, so I defer to him.

              "//ui/aura",
              "//ui/base",
              "//ui/base/ime",
              "//ui/display",
              "//ui/events",
              "//ui/events:events_base",
              "//ui/events/platform/x11",
              "//ui/gfx",
              "//ui/gfx/geometry",
              "//ui/gfx/x",
@@ skipping 25 matching lines @@
     sources = [
       "native_theme_gtk2.cc",
       "native_theme_gtk2.h",
     ]
     deps = [
       "//build/config/linux/gtk2",
       "//build/config/linux/gtk2:gtkprint2",
     ]
   }
 }