Make non-AA hairline stroke rects snap to pixels centers so they close.

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 168 matching lines @@
             pipelineBuilder->addColorProcessor(fp);
         } else {
             pipelineBuilder->addCoverageProcessor(fp);
         }
         ++s;
     }
 }
 
 static void set_random_state(GrPipelineBuilder* pipelineBuilder, SkRandom* random) {
     int state = 0;
-    for (int i = 1; i <= GrPipelineBuilder::kLast_StateBit; i <<= 1) {
+    for (int i = 1; i <= GrPipelineBuilder::kLast_Flag; i <<= 1) {
         state |= random->nextBool() * i;
     }
     pipelineBuilder->enableState(state);
 }
 
 // right now, the only thing we seem to care about in drawState's stencil is 'doesWrite()'
 static void set_random_stencil(GrPipelineBuilder* pipelineBuilder, SkRandom* random) {
     GR_STATIC_CONST_SAME_STENCIL(kDoesWriteStencil,
                                  kReplace_StencilOp,
                                  kReplace_StencilOp,
@@ skipping 173 matching lines @@
             }
 #endif
             GrTestTarget target;
             context->getTestTarget(&target);
             REPORTER_ASSERT(reporter, target.target()->programUnitTest(maxStages));
         }
     }
 }
 
 #endif