Move supports-high-dpi flag into registry.

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 1545 matching lines @@
     SINGLE_VALUE_TYPE(switches::kEnableWebGLDraftExtensions)
   },
   {
     "enable-html-imports",
     IDS_FLAGS_ENABLE_HTML_IMPORTS_NAME,
     IDS_FLAGS_ENABLE_HTML_IMPORTS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableHTMLImports)
   },
   {
-    "high-dpi-support",
-    IDS_FLAGS_HIDPI_NAME,
-    IDS_FLAGS_HIDPI_DESCRIPTION,
-    kOsWin,
-    ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(switches::kHighDPISupport, "1",
-                                        switches::kHighDPISupport, "0")
-  },
-  {
     "enable-web-midi",
     IDS_FLAGS_ENABLE_WEB_MIDI_NAME,
     IDS_FLAGS_ENABLE_WEB_MIDI_DESCRIPTION,
     kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kEnableWebMIDI)
   },
   {
     "enable-new-profile-management",
     IDS_FLAGS_ENABLE_NEW_PROFILE_MANAGEMENT_NAME,
     IDS_FLAGS_ENABLE_NEW_PROFILE_MANAGEMENT_DESCRIPTION,
@@ skipping 839 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags