Instant: Use only one hidden WebContents per profile.

chrome/chrome_common.gypi

-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
+# Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'common',
       'type': 'static_library',
       'variables': {
         'chrome_common_target': 1,
@@ skipping 261 matching lines @@
         'common/extensions/user_script.cc',
         'common/extensions/user_script.h',
         'common/extensions/value_counter.cc',
         'common/extensions/value_counter.h',
         'common/extensions/web_accessible_resources_handler.cc',
         'common/extensions/web_accessible_resources_handler.h',
         'common/external_ipc_fuzzer.h',
         'common/external_ipc_fuzzer.cc',
         'common/icon_with_badge_image_source.cc',
         'common/icon_with_badge_image_source.h',
+        'common/instant_messages.h',
         'common/instant_types.cc',
         'common/instant_types.h',
         'common/json_schema_constants.cc',
         'common/json_schema_constants.h',
         'common/json_schema_validator.cc',
         'common/json_schema_validator.h',
         'common/localized_error.cc',
         'common/localized_error.h',
         'common/logging_chrome.cc',
         'common/logging_chrome.h',
@@ skipping 26 matching lines @@
         'common/multi_process_lock.h',
         'common/multi_process_lock_linux.cc',
         'common/multi_process_lock_mac.cc',
         'common/multi_process_lock_win.cc',
         'common/nacl_cmd_line.cc',
         'common/nacl_cmd_line.h',
         'common/nacl_messages.cc',
         'common/nacl_messages.h',
         'common/nacl_types.cc',
         'common/nacl_types.h',
+        'common/omnibox_types.h',
         'common/one_click_signin_messages.h',
         'common/password_generation_util.cc',
         'common/password_generation_util.h',
         'common/pepper_flash.cc',
         'common/pepper_flash.h',
         'common/pref_names_util.cc',
         'common/pref_names_util.h',
         'common/print_messages.cc',
         'common/print_messages.h',
         'common/profiling.cc',
@@ skipping 367 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }