add Method param to drawTextOnPath, supporting SVG spec

gm/shadertext.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 "SkCanvas.h"
 #include "SkGradientShader.h"
@@ skipping 155 matching lines @@
             int i = 2*s;
             canvas->translate(SkIntToScalar((i / testsPerCol) * colWidth),
                               SkIntToScalar((i % testsPerCol) * rowHeight));
             paint.setShader(shaders[s])->unref();
             canvas->drawText(text, textLen, 0, textBase, paint);
             canvas->restore();
             canvas->save();
             ++i;
             canvas->translate(SkIntToScalar((i / testsPerCol) * colWidth),
                               SkIntToScalar((i % testsPerCol) * rowHeight));
-            canvas->drawTextOnPath(text, textLen, path, NULL, paint);
+            canvas->drawTextOnPath(text, textLen, path, NULL,
+                                   SkCanvas::kStretch_TextOnPathMethod, paint);
             canvas->restore();
         }
         canvas->restore();
 
     }
 
 private:
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ShaderTextGM; }
 static GMRegistry reg(MyFactory);
 }