Support sideloaded fonts via command line option for blink layout_tests

content/shell/common/shell_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 "content/shell/common/shell_switches.h"
 
 namespace switches {
 
 // Allow access to external pages during layout tests.
 const char kAllowExternalPages[] = "allow-external-pages";
@@ skipping 21 matching lines @@
 
 // Enables the leak detection of loading webpages. This allows us to check
 // whether or not reloading a webpage releases web-related objects correctly.
 const char kEnableLeakDetection[] = "enable-leak-detection";
 
 // Encode binary layout test results (images, audio) using base64.
 const char kEncodeBinary[] = "encode-binary";
 
 // Exposes the window.internals object to JavaScript for interactive development
 // and debugging of layout tests that rely on it.
-const char kExposeInternalsForTesting[]     = "expose-internals-for-testing";
+const char kExposeInternalsForTesting[] = "expose-internals-for-testing";
+
+// Registers additional font files on Windows (for fonts outside the usual
+// %WINDIR%\Fonts location). Multiple files can be used by separating them
+// with a semicolon (;).
+const char kRegisterFontFiles[] = "register-font-files";
 
 // This makes us disable some web-platform runtime features so that we test
 // content_shell as if it was a stable release. It is only followed when
 // kDumpRenderTree is set. For the features' level, see
 // http://dev.chromium.org/blink/runtime-enabled-features.
 const char kStableReleaseMode[] = "stable-release-mode";
 
 }  // namespace switches