Fix build break caused by Skia changes.

runtime/embedders/openglui/common/canvas_state.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "embedders/openglui/common/canvas_state.h"
 
 #include <ctype.h>
 #include <string.h>
 
 #include "embedders/openglui/common/support.h"
@@ skipping 79 matching lines @@
     }
     int len = strlen(name);
     while (pos < len && isspace(name[pos])) {
       ++pos;
     }
     name = name + pos;
   }
   SkTypeface *pTypeface = SkTypeface::CreateFromName(name, SkTypeface::kNormal);
   paint_.setTypeface(pTypeface);
   paint_.setTextSize(size);
-  pTypeface->unref();
   // TODO(gram): Must return a normalized font name incorporating size, so
   // callers can set the Dart canvas font name to an appropriate value.
   // Actually this may not be necessary in which case we can change this
   // method to return void.
   return rtn;
 }
 
 const char* CanvasState::setTextAlign(const char* align) {
   // TODO(gram): What about "start" and "end"?
   // I don't see any an analogs in Skia.
@@ skipping 179 matching lines @@
   if (sw < 0) sw = bm.width();
   if (dw < 0) dw = bm.width();
   if (sh < 0) sh = bm.height();
   if (dh < 0) dh = bm.height();
   SkIRect src = SkIRect::MakeXYWH(sx, sy, sw, sh);
   SkRect dst = SkRect::MakeXYWH(dx, dy, dw, dh);
   LOGI("DrawImage(_,%d,%d,%d,%d,%d,%d,%d,%d)", sx, sy, sw, sh, dx, dy, dw, dh);
   canvas_->drawBitmapRect(bm, &src, dst);
 }