Implement support for loading font files from outside system directory

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 8c476cf1ccac13602a982a0e4e39fd4a4e5e80f3..3b1ab525da860bd620571dc746777c330ce370ef 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -117,6 +117,13 @@ const char kDisableBlinkFeatures[]          = "disable-blink-features";
 // Disables HTML5 DB support.
 const char kDisableDatabases[]              = "disable-databases";
 
+// Controls the loading of font files installed outside the system fonts dir.
+//   Disable: blocks loading font files from outside system fonts dir.
+//   Force: forces all fonts to use the custom font file codepath.

[nasko, 2016/07/22 23:51:29]

What is the default behavior when the flag isn't present?

[Ilya Kulshin, 2016/07/25 21:22:45]

Acknowledged.

+const char kDisableDirectWriteCustomFonts[] =
+    "disable-directwrite-custom-fonts";
+const char kForceDirectWriteCustomFonts[] = "force-directwrite-custom-fonts";

[nasko, 2016/07/22 23:51:29]

This needs to be put in alphabetical order.

[Ilya Kulshin, 2016/07/25 21:22:45]

Acknowledged.

+
 // Disable the per-domain blocking for 3D APIs after GPU reset.
 // This switch is intended only for tests.
 const char kDisableDomainBlockingFor3DAPIs[] =