Do more work on content/browser GN build

content/public/browser/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("//content/browser/browser.gni")
+
 source_set("browser") {
+  sources = rebase_path(content_browser_gypi_values.public_browser_sources,
+                        ".", "//content")
+
+  configs += [ "//content:content_implementation" ]
+
   deps = [
     "//content/browser",
+    "//skia",
   ]
 }