add portable and canonical font support for DM

gm/image.cpp

 /*
  * Copyright 2011 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 "SkSurface.h"
 #include "SkCanvas.h"
@@ skipping 140 matching lines @@
         static const char* kLabel6 = "Upper-left";
         static const char* kLabel7 = "No Crop";
 
         static const char* kLabel8 = "Pre-Alloc Img";
         static const char* kLabel9 = "New Alloc Img";
         static const char* kLabel10 = "Null Paint";
         static const char* kLabel11 = "GPU";
 
         SkPaint textPaint;
         textPaint.setAntiAlias(true);
+        sk_tool_utils::set_portable_typeface(&textPaint);
         textPaint.setTextSize(8);
 
         canvas->drawText(kLabel1, strlen(kLabel1), 10,  60, textPaint);
         canvas->drawText(kLabel2, strlen(kLabel2), 10, 140, textPaint);
         canvas->drawText(kLabel3, strlen(kLabel3), 10, 220, textPaint);
         canvas->drawText(kLabel4, strlen(kLabel4), 10, 300, textPaint);
         canvas->drawText(kLabel5, strlen(kLabel5), 10, 380, textPaint);
         canvas->drawText(kLabel6, strlen(kLabel6), 10, 460, textPaint);
         canvas->drawText(kLabel7, strlen(kLabel7), 10, 540, textPaint);
 
@@ skipping 32 matching lines @@
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new ImageGM; }
 static skiagm::GMRegistry reg(MyFactory);