Enable a minimal content/ build on iOS

content/content_browser.gypi

 # Copyright (c) 2012 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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 827 matching lines @@
   'conditions': [
     ['OS!="win" and OS!="mac" and OS!="linux"', {
       'sources': [
         'browser/gamepad/gamepad_platform_data_fetcher.cc',
       ]
     }],
     ['OS=="ios"', {
       'sources/': [
         # iOS only needs a small portion of content; exclude all the
         # implementation, and re-include what is used.
-        ['exclude', '\\.cc$'],
-        ['exclude', '\\.mm$'],
+        ['exclude', '\\.(cc|mm)$'],
         ['include', '_ios\\.(cc|mm)$'],
+        ['include', '^public/browser/content_browser_client\\.cc$'],
         ['include', '^public/browser/notification_registrar\\.cc$'],
         ['include', '^public/browser/speech_recognition_'],
         ['include', '^browser/browser_context\\.cc$'],
         ['include', '^browser/notification_service_impl\\.cc$'],
-        # Pull in all but one file from speech.
-        ['include', '^browser/speech/'],
-        ['exclude', '^browser/speech/input_tag_speech_dispatcher_host\\.cc$$'],
       ],
     }, {  # OS!="ios"
       'dependencies': [
         'browser/debugger/devtools_resources.gyp:devtools_resources',
         '../net/net.gyp:http_server',
         '../ppapi/ppapi_internal.gyp:ppapi_ipc',
         '<(webkit_src_dir)/Source/WebKit/chromium/WebKit.gyp:webkit',
         '../ui/surface/surface.gyp:surface',
         '../webkit/support/webkit_support.gyp:dom_storage',
         '../webkit/support/webkit_support.gyp:webkit_resources',
@@ skipping 181 matching lines @@
         ['exclude', '^browser/renderer_host/java/'],
       ],
     }],
     ['input_speech==0', {
       'sources/': [
         ['exclude', '^browser/speech/'],
       ],
     }],
   ],
 }