Add oblique as a slant.

gm/fontmgr.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkFontMgr.h"
@@ skipping 84 matching lines @@
             paint.setTypeface(nullptr);
             (void)drawString(canvas, familyName, 20, y, paint);
 
             SkScalar x = 220;
 
             SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
             for (int j = 0; j < set->count(); ++j) {
                 SkString sname;
                 SkFontStyle fs;
                 set->getStyle(j, &fs, &sname);
-                sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.isItalic());
+                sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.slant());
 
                 SkSafeUnref(paint.setTypeface(set->createTypeface(j)));
                 x = drawString(canvas, sname, x, y, paint) + 20;
 
                 // check to see that we get different glyphs in japanese and chinese
                 x = drawCharacter(canvas, 0x5203, x, y, paint, fm, familyName.c_str(), &zh, 1, fs);
                 x = drawCharacter(canvas, 0x5203, x, y, paint, fm, familyName.c_str(), &ja, 1, fs);
                 // check that emoji characters are found
                 x = drawCharacter(canvas, 0x1f601, x, y, paint, fm, familyName.c_str(), nullptr,0, fs);
             }
@@ skipping 186 matching lines @@
 
 DEF_GM(return new FontMgrGM;)
 DEF_GM(return new FontMgrMatchGM;)
 DEF_GM(return new FontMgrBoundsGM(1.0, 0);)
 DEF_GM(return new FontMgrBoundsGM(0.75, 0);)
 DEF_GM(return new FontMgrBoundsGM(1.0, -0.25);)
 
 #ifdef SK_BUILD_FOR_WIN
 DEF_GM(return new FontMgrGM(SkFontMgr_New_DirectWrite());)
 #endif