Add flag to enable rendering of text using signed distance fields.

chrome/browser/about_flags.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/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 185 matching lines @@
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kDisableImplSidePainting, ""}
 };
 
 const Experiment::Choice kLCDTextChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableLCDText, ""},
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableLCDText, ""}
 };
 
+const Experiment::Choice kDistanceFieldTextChoices[] = {
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
+  { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
+    switches::kEnableDistanceFieldText, "" },
+  { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
+    switches::kDisableDistanceFieldText, "" }
+};
+
 #ifndef USE_AURA
 const Experiment::Choice kDelegatedRendererChoices[] = {
   { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" },
   { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED,
     switches::kEnableDelegatedRenderer, ""},
   { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED,
     switches::kDisableDelegatedRenderer, ""}
 };
 #endif
 
@@ skipping 1627 matching lines @@
     SINGLE_VALUE_TYPE(switches::kEnableEmbeddedSearchAPI)
   },
   {
     "enable-app-install-alerts",
     IDS_FLAGS_ENABLE_APP_INSTALL_ALERTS_NAME,
     IDS_FLAGS_ENABLE_APP_INSTALL_ALERTS_DESCRIPTION,
     kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kEnableAppInstallAlerts)
   },
 #endif
+  {
+    "distance-field-text",
+    IDS_FLAGS_DISTANCE_FIELD_TEXT_NAME,
+    IDS_FLAGS_DISTANCE_FIELD_TEXT_DESCRIPTION,
+    kOsAll,
+    MULTI_VALUE_TYPE(kDistanceFieldTextChoices)
+  },
 };
 
 const Experiment* experiments = kExperiments;
 size_t num_experiments = arraysize(kExperiments);
 
 // Stores and encapsulates the little state that about:flags has.
 class FlagsState {
  public:
   FlagsState() : needs_restart_(false) {}
   void ConvertFlagsToSwitches(FlagsStorage* flags_storage,
@@ skipping 504 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags