Correct unexpected hinting fonts

If the font is 'tricky', it needs to be hinted by default according to the description in freetype.

BUG=490814
R=tsepez@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/7a2fcd8d1256c267380b40f2d2d8e98c3b181cee

Review URL: https://codereview.chromium.org/1170313003.
diff --git a/DEPS b/DEPS
index d6972d7..91da7d6 100644
--- a/DEPS
+++ b/DEPS
@@ -8,7 +8,7 @@
     "https://chromium.googlesource.com/chromium/buildtools.git@46ce8cb60364e9e0b21a81136c7debdddfd063a8",
 
   "testing/corpus":
-     "https://pdfium.googlesource.com/pdfium_tests@9cc1567a5eab106c1f3dbcfcada815c9505ac906",
+     "https://pdfium.googlesource.com/pdfium_tests@4b9a1d593e5a101d034a4f1195174a22c179a42d",
 
   "testing/gmock":
      "https://chromium.googlesource.com/external/googlemock.git@29763965ab52f24565299976b936d1265cb6a271",
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
index fd39ee8..551aaf6 100644
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ b/core/src/fxge/ge/fx_ge_text.cpp
@@ -1655,7 +1655,10 @@
         }
     }
     ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
-    int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT) ? FXFT_LOAD_NO_BITMAP : FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING;
+    int load_flags = FXFT_LOAD_NO_BITMAP;
+    if (!(m_Face->face_flags & FT_FACE_FLAG_SFNT) || !FT_IS_TRICKY(m_Face)) {
+        load_flags |= FT_LOAD_NO_HINTING;
+    }
     int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
     if (error) {
         return NULL;