Add refcnting to SkClipStack on SkCanvas

tests/GLProgramsTest.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.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 231 matching lines @@
 
     // setup clip
     SkRect screen = SkRect::MakeWH(SkIntToScalar(kRenderTargetWidth),
                                    SkIntToScalar(kRenderTargetHeight));
 
     SkClipStack stack;
     stack.clipDevRect(screen, SkRegion::kReplace_Op, false);
 
     // wrap the SkClipStack in a GrClipData
     GrClipData clipData;
-    clipData.fClipStack = &stack;
+    clipData.fClipStack.reset(SkRef(&stack));
     this->setClip(&clipData);
 
     SkRandom random;
     static const int NUM_TESTS = 512;
     for (int t = 0; t < NUM_TESTS;) {
         // setup random render target(can fail)
         SkAutoTUnref<GrRenderTarget> rt(random_render_target(fContext, &random));
         if (!rt.get()) {
             SkDebugf("Could not allocate render target");
             return false;
@@ skipping 95 matching lines @@
             }
 #endif
             GrTestTarget target;
             context->getTestTarget(&target);
             REPORTER_ASSERT(reporter, target.target()->programUnitTest(maxStages));
         }
     }
 }
 
 #endif