fix leak

gm/coloremoji.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 "Resources.h"
@@ skipping 82 matching lines @@
             y_offset += textYOffset[y];
         }
 
         // draw with shaders and image filters
         for (int i = 0; i < 2; i++) {
             for (int j = 0; j < 2; j++) {
                 for (int k = 0; k < 2; k++) {
                     SkPaint shaderPaint;
                     shaderPaint.setTypeface(fTypeface);
                     if (SkToBool(i)) {
-                        shaderPaint.setShader(MakeLinear());
+                        shaderPaint.setShader(MakeLinear())->unref();
                     }
 
                     if (SkToBool(j) && SkToBool(k)) {
                         SkAutoTUnref<SkImageFilter> grayScale(make_grayscale(NULL));
                         SkAutoTUnref<SkImageFilter> blur(make_blur(3.0f, grayScale));
                         shaderPaint.setImageFilter(blur);
                     } else if (SkToBool(j)) {
                         SkAutoTUnref<SkImageFilter> blur(make_blur(3.0f, NULL));
                         shaderPaint.setImageFilter(blur);
                     } else if (SkToBool(k)) {
@@ skipping 51 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ColorEmojiGM; }
 static GMRegistry reg(MyFactory);
 
 }