Move ZoomController out of ChromeWebViewGuestDelegate.

extensions/extensions.gyp

 # Copyright 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 274 matching lines @@
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_prefs',
         '../components/components.gyp:copresence_endpoints',
         '../components/components.gyp:keyed_service_content',
         '../components/components.gyp:keyed_service_core',
         '../components/components.gyp:pref_registry',
         '../components/components.gyp:sessions_content',
         '../components/components.gyp:storage_monitor',
+        '../components/components.gyp:ui_zoom',
         '../components/components.gyp:web_cache_browser',
         '../components/components.gyp:web_modal',
         '../content/content.gyp:content_browser',
         '../device/bluetooth/bluetooth.gyp:device_bluetooth',
         '../device/serial/serial.gyp:device_serial',
         '../google_apis/google_apis.gyp:google_apis',
         '../skia/skia.gyp:skia',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/re2/re2.gyp:re2',
         'browser/api/api_registration.gyp:extensions_api_registration',
@@ skipping 973 matching lines @@
       'conditions': [
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ]
 }