Exclude spellcheck related code properly on android/ios which doesn't have spellchecker

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 572 matching lines @@
 const char kEnableShowModalDialog[] = "enable-show-modal-dialog";
 
 // Enable or disable settings in a separate browser window per profile
 // (see SettingsWindowEnabled() below).
 const char kEnableSettingsWindow[]           = "enable-settings-window";
 const char kDisableSettingsWindow[]          = "disable-settings-window";
 
 // Enable SPDY/4, aka HTTP/2. This is a temporary testing flag.
 const char kEnableSpdy4[]                   = "enable-spdy4";
 
-// Enables auto correction for misspelled words.
-const char kEnableSpellingAutoCorrect[]     = "enable-spelling-auto-correct";
-
-// Enables participation in the field trial for user feedback to spelling
-// service.
-const char kEnableSpellingFeedbackFieldTrial[] =
-    "enable-spelling-feedback-field-trial";
-
 // Enables a feature that holds back some SSLConnectJobs in order to
 // minimize the number of full SSL handshakes completed.
 const char kEnableSSLConnectJobWaiting[] = "enable-ssl-connect-job-waiting";
 
 // Enables implementation of the Cache-Control: stale-while-revalidate directive
 // which permits servers to allow the use of stale resources while revalidation
 // proceeds in the background.
 const char kEnableStaleWhileRevalidate[]    = "enable-stale-while-revalidate";
 
 // Enables an experimental hosted app experience.
@@ skipping 493 matching lines @@
 // Speculative resource prefetching is disabled.
 const char kSpeculativeResourcePrefetchingDisabled[] = "disabled";
 
 // Speculative resource prefetching will only learn about resources that need to
 // be prefetched but will not prefetch them.
 const char kSpeculativeResourcePrefetchingLearning[] = "learning";
 
 // Speculative resource prefetching is enabled.
 const char kSpeculativeResourcePrefetchingEnabled[] = "enabled";
 
+#if defined(ENABLE_SPELLCHECK)
+// Enables auto correction for misspelled words.
+const char kEnableSpellingAutoCorrect[]     = "enable-spelling-auto-correct";
+
+// Enables participation in the field trial for user feedback to spelling
+// service.
+const char kEnableSpellingFeedbackFieldTrial[] =
+    "enable-spelling-feedback-field-trial";
+
 // Specifies the URL where spelling service feedback data will be sent instead
 // of the default URL. This switch is for temporary testing only.
 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
 // August 2013.
 const char kSpellingServiceFeedbackUrl[] = "spelling-service-feedback-url";
 
 // Specifies the number of seconds between sending batches of feedback to
 // spelling service. The default is 30 minutes. The minimum is 5 seconds. This
 // switch is for temporary testing only.
 // TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by
 // August 2013.
 const char kSpellingServiceFeedbackIntervalSeconds[] =
     "spelling-service-feedback-interval-seconds";
+#endif
 
 // Specifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
 // "tls1.2").
 const char kSSLVersionMax[]                 = "ssl-version-max";
 
 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
 // "tls1.2").
 const char kSSLVersionMin[]                 = "ssl-version-min";
 
 // Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
@@ skipping 240 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches