Revert "Remove gCreateTypefaceDelegate."

This reverts commit 3241149b8cc607aaeaf7897cd1e7f712354dda7e.

Reason for revert: TSAN failures, e.g. https://chromium-swarm.appspot.com/task?id=3e7a42da25efd510&refresh=10

Original change's description:
> Remove gCreateTypefaceDelegate.
> 
> The PortableFontMgr is used instead.
> 
> Change-Id: I03ecdcbef380dde2b206293e17a325cad69d7514
> Reviewed-on: https://skia-review.googlesource.com/139165
> Reviewed-by: Mike Klein <mtklein@google.com>
> Commit-Queue: Ben Wagner <bungeman@google.com>

TBR=mtklein@google.com,bungeman@google.com

Change-Id: I9799f0637c1d39ee397c30645aa569b93dfee593
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/139280
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/dm/DM.cpp b/dm/DM.cpp
index 4656381c13..28369e9c08 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -1291,6 +1291,20 @@ static void run_test(skiatest::Test test, const GrContextOptions& grCtxOptions)
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+#define PORTABLE_FONT_PREFIX "Toy Liberation "
+
+static sk_sp<SkTypeface> create_from_name(const char familyName[], SkFontStyle style) {
+    if (familyName && strlen(familyName) > sizeof(PORTABLE_FONT_PREFIX)
+            && !strncmp(familyName, PORTABLE_FONT_PREFIX, sizeof(PORTABLE_FONT_PREFIX) - 1)) {
+        return sk_tool_utils::create_portable_typeface(familyName, style);
+    }
+    return nullptr;
+}
+
+#undef PORTABLE_FONT_PREFIX
+
+extern sk_sp<SkTypeface> (*gCreateTypefaceDelegate)(const char [], SkFontStyle );
+
 int main(int argc, char** argv) {
 #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && defined(SK_HAS_HEIF_LIBRARY)
     android::ProcessState::self()->startThreadPool();
@@ -1343,6 +1357,7 @@ int main(int argc, char** argv) {
     JsonWriter::DumpJson();  // It's handy for the bots to assume this is ~never missing.
     SkAutoGraphics ag;
     SkTaskGroup::Enabler enabled(FLAGS_threads);
+    gCreateTypefaceDelegate = &create_from_name;
 
     if (nullptr == GetResourceAsData("images/color_wheel.png")) {
         info("Some resources are missing.  Do you need to set --resourcePath?\n");