Add content renderer to the GN build

content/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.
 
-# TODO(brettw) this file is a work in progress, it is not currently hooked up
-# to the build, but currently represents the state of content/common's deps.
-
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
+import("//mojo/public/tools/bindings/mojom.gni")
 
 source_set("common") {
   # Only targets in the content tree can depend directly on this target.
   visibility = [ "//content/*" ]
 
   sources = rebase_path(content_common_gypi_values.private_common_sources,
                         ".", "//content")
 
   forward_dependent_configs_from = [
     # TODO(GYP) convert these dependencies.
     #"//third_party/WebKit/public:blink_headers",
   ]
 
   configs += [
     "//content:blink_headers_stub_config",
+    "//content:content_implementation",
     "//content:libjingle_stub_config",
   ]
 
   deps = [
     "//base",
     "//build/util:webkit_version",
     "//components/tracing",
     "//gpu/command_buffer/common",
     "//net",
     "//skia",
@@ skipping 27 matching lines @@
       #'../mojo/mojo.gyp:mojo_environment_chromium',
       #'../mojo/mojo.gyp:mojo_system_impl',
       #'../third_party/WebKit/public/blink.gyp:blink',
       #'../webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',
       #'../webkit/common/webkit_common.gyp:webkit_common',
       #'../webkit/storage_browser.gyp:webkit_storage_browser',
       #'../webkit/storage_common.gyp:webkit_storage_common',
     ]
   }
 
+  defines = []
   include_dirs = []
-  defines = [ "CONTENT_IMPLEMENTATION" ]
   libs = []
   ldflags = []
 
   if (is_android && use_seccomp_bpf) {
     set_sources_assignment_filter([])
     sources += [
       "sandbox_linux/sandbox_bpf_base_policy_linux.cc",
       "sandbox_linux/sandbox_bpf_base_policy_linux.h",
     ]
     set_sources_assignment_filter(sources_assignment_filter)
@@ skipping 172 matching lines @@
     }
     if (is_android) {
       sources -= [
         "sandbox_linux/android/sandbox_bpf_base_policy_android.cc",
         "sandbox_linux/android/sandbox_bpf_base_policy_android.h",
       ]
     }
   }
 }
 
+mojom("mojo_bindings") {
+  sources = [
+    "web_ui_setup.mojom",
+  ]
+}