Add Generic Implementation of ClipboardRecentContent

components/omnibox/browser/omnibox_field_trial.cc

 // Copyright 2014 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 "components/omnibox/browser/omnibox_field_trial.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 25 matching lines @@
 const base::Feature kNewOmniboxAnswerTypes{"NewOmniboxAnswerTypes",
                                            base::FEATURE_DISABLED_BY_DEFAULT};
 
 // Feature used to enable the transmission of entity suggestions from GWS
 // to this client.
 const base::Feature kOmniboxEntitySuggestions{
     "OmniboxEntitySuggestions", base::FEATURE_DISABLED_BY_DEFAULT};
 
 // Feature used to enable clipboard provider, which provides the user with
 // suggestions of the URL in the user's clipboard (if any) upon omnibox focus.
-const base::Feature kEnableClipboardProvider {
-  "OmniboxEnableClipboardProvider",
-#if defined(OS_IOS)
-      base::FEATURE_ENABLED_BY_DEFAULT
-#else
-      base::FEATURE_DISABLED_BY_DEFAULT
-#endif
+const base::Feature kEnableClipboardProvider{
+    "OmniboxEnableClipboardProvider",
+    // #if defined(OS_IOS)
+    base::FEATURE_ENABLED_BY_DEFAULT
+    //#else
+    //      base::FEATURE_DISABLED_BY_DEFAULT
+    //#endif

[dcheng, 2017/04/02 05:04:03]

Nit: remove the commented-out code

[Mark P, 2017/04/02 05:33:56]

Acknowledged.  It's a TODO in the changelist description.  Thanks for the
reminder.

 };
 
 // Feature to enable the search provider to send a request to the suggest
 // server on focus.  This allows the suggest server to warm up, by, for
 // example, loading per-user models into memory.  Having a per-user model
 // in memory allows the suggest server to respond more quickly with
 // personalized suggestions as the user types.
 const base::Feature kSearchProviderWarmUpOnFocus{
     "OmniboxWarmUpSearchProviderOnFocus", base::FEATURE_DISABLED_BY_DEFAULT};
 
@@ skipping 727 matching lines @@
   if (it != params.end())
     return it->second;
   // Fall back to the global instant extended context.
   it = params.find(rule + ":" + page_classification_str + ":*");
   if (it != params.end())
     return it->second;
   // Look up rule in the global context.
   it = params.find(rule + ":*:*");
   return (it != params.end()) ? it->second : std::string();
 }