Fix public dependencies on //ipc

extensions/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/config/features.gni")
 import("//extensions/features/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 source_set("common_constants") {
   sources = [
@@ skipping 249 matching lines @@
     configs += [
       "//build/config:precompiled_headers",
 
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       "//build/config/compiler:no_size_t_to_int_warning",
     ]
 
     public_deps = [
       ":common_constants",
       ":mojo",
+      "//ipc",
       "//skia",
     ]
 
     deps = [
       "//base",
 
       # TODO(benwells): figure out what to do with the api target and
       # api resources compiled into the chrome resource bundle.
       # http://crbug.com/162530
       "//chrome:resources",
       "//components/crx_file",
       "//components/url_matcher",
       "//content/public/common",
       "//crypto",
       "//device/bluetooth",
       "//device/usb",
       "//extensions:extensions_resources",
       "//extensions/common/api",
       "//extensions/strings",
-      "//ipc",
       "//net",
       "//third_party/boringssl",
       "//third_party/icu",
       "//third_party/libxml",
       "//third_party/re2",
       "//ui/base",
       "//ui/gfx/geometry",
       "//ui/gfx/ipc",
       "//ui/gfx/ipc/geometry",
       "//ui/gfx/ipc/skia",
@@ skipping 80 matching lines @@
       "//ui/base",
       "//ui/gfx",
       "//url",
     ]
 
     if (is_chromeos) {
       sources += [ "manifest_handlers/action_handlers_handler_unittest.cc" ]
     }
   }
 }  # enable_extensions