Separate gfx_ipc into skia-dependent and non-skia-dependent parts

content/public/common/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("//build/config/chromecast_build.gni")
 import("//build/config/features.gni")
 import("//content/common/common.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/webrtc/build/webrtc.gni")
@@ skipping 94 matching lines @@
     "//net",
     "//ppapi/c",
     "//skia",
     "//storage/common",
     "//third_party/WebKit/public:blink_headers",
     "//third_party/icu",
     "//ui/accessibility",
     "//ui/base",
     "//ui/gfx",
     "//ui/gfx/ipc",
+    "//ui/gfx/ipc/skia",
     "//ui/surface",
   ]
 
   # //content/common needs to include public headers.
   allow_circular_includes_from = [ "//content/common" ]
 
   if (!enable_plugins) {
     sources -= [
       "pepper_plugin_info.cc",
       "pepper_plugin_info.h",
@@ skipping 26 matching lines @@
 source_set("feature_h264_with_openh264_ffmpeg") {
   deps = [
     ":features",
     "//base",
   ]
   sources = [
     "feature_h264_with_openh264_ffmpeg.cc",
     "feature_h264_with_openh264_ffmpeg.h",
   ]
 }