Add oblique as a slant.

src/utils/win/SkDWrite.h

Index: src/utils/win/SkDWrite.h
diff --git a/src/utils/win/SkDWrite.h b/src/utils/win/SkDWrite.h
index 60e6a11984c326120130216a86b23ea0709c1167..ddcbc6c42613accf4cd89079ef82bf0a92d18e1d 100644
--- a/src/utils/win/SkDWrite.h
+++ b/src/utils/win/SkDWrite.h
@@ -90,23 +90,18 @@ public:
 
 struct DWriteStyle {
     explicit DWriteStyle(const SkFontStyle& pattern) {
-        switch (pattern.slant()) {
-        case SkFontStyle::kUpright_Slant:
-            fSlant = DWRITE_FONT_STYLE_NORMAL;
-            break;
-        case SkFontStyle::kItalic_Slant:
-            fSlant = DWRITE_FONT_STYLE_ITALIC;
-            break;
-        default:
-            SkASSERT(false);
-        }
-
         fWeight = (DWRITE_FONT_WEIGHT)pattern.weight();
         fWidth = (DWRITE_FONT_STRETCH)pattern.width();
+        switch (pattern.slant()) {
+            case SkFontStyle::kUpright_Slant: fSlant = DWRITE_FONT_STYLE_NORMAL ; break;
+            case SkFontStyle::kItalic_Slant:  fSlant = DWRITE_FONT_STYLE_ITALIC ; break;
+            case SkFontStyle::kOblique_Slant: fSlant = DWRITE_FONT_STYLE_OBLIQUE; break;
+            default: SkASSERT(false); break;
+        }
     }
-    DWRITE_FONT_STYLE fSlant;
     DWRITE_FONT_WEIGHT fWeight;
     DWRITE_FONT_STRETCH fWidth;
+    DWRITE_FONT_STYLE fSlant;
 };
 
 #endif