Remove iOS conditions in content/ build files.

content/app/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/chrome_build.gni")
 
 content_app_sources = [
   "android/app_jni_registrar.cc",
   "android/app_jni_registrar.h",
   "android/child_process_service.cc",
@@ skipping 13 matching lines @@
 ]
 
 content_app_deps = [
   "//base",
   "//base:i18n",
   "//content:export",
   "//content:sandbox_helper_win",
   "//content/public/common:common_sources",
   "//content/public/common:mojo_bindings",
   "//crypto",
+  "//mojo/shell/public/interfaces",
+  "//mojo/edk/system",
   "//ui/base",
   "//ui/gfx",
   "//ui/gfx/geometry",
 ]
 
 if (is_win) {
   content_app_deps += [ "//sandbox" ]
 } else if (is_android) {
   content_app_sources -= [ "content_main.cc" ]
   content_app_deps += [
     "//content/public/android:jni",
     "//device/usb",
     "//device/vibration",
     "//skia",
     "//third_party/android_tools:cpu_features",
     "//ui/android",
   ]
 }
 
-if (is_ios) {
-  content_app_sources -= [
-    "content_main.cc",
-    "mojo/mojo_init.cc",
-    "mojo/mojo_init.h",
-  ]
-} else {
-  content_app_deps += [
-    "//mojo/shell/public/interfaces",
-    "//mojo/edk/system",
-  ]
-}
-
 content_app_extra_configs = [
   "//build/config/compiler:wexit_time_destructors",
   "//content:content_implementation",
   "//content/public/common:mojo_shell_client",
   "//v8:external_startup_data",
 ]
 
 if (!is_multi_dll_chrome) {
   content_app_deps += [ "//content/gpu:gpu_sources" ]
 }
@@ skipping 26 matching lines @@
   source_set("child") {
     visibility = [ "//content/public/app:child" ]
 
     sources = content_app_sources
     configs += content_app_extra_configs
     deps = content_app_deps
 
     defines = [ "CHROME_MULTIPLE_DLL_CHILD" ]
   }
 }