SkPDF: fall back on paths for unembeddable fonts.

src/core/SkTypeface.cpp

Index: src/core/SkTypeface.cpp
diff --git a/src/core/SkTypeface.cpp b/src/core/SkTypeface.cpp
index c94e22f2bc1bfaaeeb947320a6a0116806e5ddae..0e544c2f67323a5b0c7977781dc233d1262aecfd 100644
--- a/src/core/SkTypeface.cpp
+++ b/src/core/SkTypeface.cpp
@@ -203,6 +203,23 @@ SkTypeface* SkTypeface::Deserialize(SkStream* stream) {
 
 ///////////////////////////////////////////////////////////////////////////////
 
+bool SkTypeface::canEmbed() const { return this->onCanEmbed(); }
+
+bool SkTypeface::onCanEmbed() const {
+    struct SkOTTableOS2 os2table;
+    if (this->getTableData(
+                SkTEndian_SwapBE32(SkOTTableOS2::TAG), 0,
+                sizeof(os2table), &os2table) > 0) {
+        if (os2table.version.v2.fsType.field.Bitmap ||
+            (os2table.version.v2.fsType.field.Restricted &&
+             !(os2table.version.v2.fsType.field.PreviewPrint ||
+               os2table.version.v2.fsType.field.Editable))) {
+            return false;
+        }
+    }
+    return true;
+}
+
 int SkTypeface::countTables() const {
     return this->onGetTableTags(NULL);
 }