[Android] Add AndroidSpellChecker feature to allow for gradual rollout using finch.

chrome/browser/chrome_content_browser_client.cc

 // 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.
 
 #include "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 115 matching lines @@
 #include "components/error_page/common/error_page_switches.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/metrics/client_info.h"
 #include "components/net_log/chrome_net_log.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
 #include "components/rappor/rappor_utils.h"
 #include "components/security_interstitials/core/ssl_error_ui.h"
 #include "components/signin/core/common/profile_management_switches.h"
-#include "components/spellcheck/common/spellcheck_switches.h"
 #include "components/startup_metric_utils/browser/startup_metric_host_impl.h"
 #include "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
 #include "components/subresource_filter/content/browser/subresource_filter_navigation_throttle.h"
 #include "components/translate/core/common/translate_switches.h"
 #include "components/url_formatter/url_fixer.h"
 #include "components/variations/variations_associated_data.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/browser_main_parts.h"
 #include "content/public/browser/browser_ppapi_host.h"
@@ skipping 1494 matching lines @@
       extensions::switches::kWhitelistedExtensionID,
 #endif
       switches::kAllowInsecureLocalhost,
       switches::kAppsGalleryURL,
       switches::kCloudPrintURL,
       switches::kCloudPrintXmppEndpoint,
       switches::kDisableBundledPpapiFlash,
       switches::kDisableCastStreamingHWEncoding,
       switches::kDisableJavaScriptHarmonyShipping,
       switches::kDisableNewBookmarkApps,
-#if defined(ENABLE_SPELLCHECK) && defined(OS_ANDROID)
-      spellcheck::switches::kEnableAndroidSpellChecker,
-#endif
       switches::kEnableBenchmarking,
       switches::kEnableNaCl,
 #if !defined(DISABLE_NACL)
       switches::kEnableNaClDebug,
       switches::kEnableNaClNonSfiMode,
 #endif
       switches::kEnableNetBenchmarking,
       switches::kEnableNewBookmarkApps,
 #if !defined(DISABLE_NACL)
       switches::kForcePNaClSubzero,
@@ skipping 1493 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)