partial switch over to sp usage of shaders

gm/glyph_pos_align.cpp

 /*
  * Copyright 2014 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"
 
 /**
  * This test exercises drawPosTextH and drawPosText with every text align.
  */
 static const int kWidth = 480;
 static const int kHeight = 600;
 static const SkScalar kTextHeight = 64.0f;
 static const int kMaxStringLength = 12;
 
 static void drawTestCase(SkCanvas*, const char*, SkScalar, const SkPaint&);
 
 DEF_SIMPLE_GM_BG(glyph_pos_align, canvas, kWidth, kHeight, SK_ColorBLACK) {
         SkPaint paint;
         paint.setTextSize(kTextHeight);
         paint.setFakeBoldText(true);
         const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
         const SkPoint pts[] = {{0, 0}, {kWidth, kHeight}};
-        SkAutoTUnref<SkShader> grad(SkGradientShader::CreateLinear(pts, colors, nullptr,
-                                                                   SK_ARRAY_COUNT(colors),
-                                                                   SkShader::kMirror_TileMode));
-        paint.setShader(grad);
-
-
+        paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
+                                                     SkShader::kMirror_TileMode));
         paint.setTextAlign(SkPaint::kRight_Align);
         drawTestCase(canvas, "Right Align", kTextHeight, paint);
 
         paint.setTextAlign(SkPaint::kCenter_Align);
         drawTestCase(canvas, "Center Align", 4 * kTextHeight, paint);
 
         paint.setTextAlign(SkPaint::kLeft_Align);
         drawTestCase(canvas, "Left Align", 7 * kTextHeight, paint);
 }
 
@@ skipping 17 matching lines @@
         float x = kTextHeight;
         for (int i = 0; i < length; ++i) {
             posX[i] = x + originX * widths[i];
             pos[i].set(posX[i], i ? pos[i - 1].y() + 3 : y + kTextHeight);
             x += widths[i];
         }
 
         canvas->drawPosTextH(text, length, posX, y, paint);
         canvas->drawPosText(text, length, pos, paint);
 }