Update skia and ui GN builds

tools/gn/secondary/sdch/BUILD.gn

 # Copyright (c) 2013 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.
 
 config("sdch_config") {
   include_dirs = [ "open-vcdiff/src" ]
 }
 
-static_library("sdch") {
+source_set("sdch") {
   sources = [
     "open-vcdiff/src/addrcache.cc",
     "open-vcdiff/src/blockhash.cc",
     "open-vcdiff/src/blockhash.h",
     "open-vcdiff/src/checksum.h",
     "open-vcdiff/src/codetable.cc",
     "open-vcdiff/src/codetable.h",
     "open-vcdiff/src/compile_assert.h",
     "open-vcdiff/src/decodetable.cc",
     "open-vcdiff/src/decodetable.h",
@@ skipping 33 matching lines @@
 
   deps = [ "//third_party/zlib" ]
 
   if (is_clang) {
     cflags = [
       # TODO(mostynb): remove this if open-vcdiff is ever updated for c++11:
       "-Wno-deprecated-declarations",
     ]
   }
 }