When running DM, write test failures to json.

tests/GrTRecorderTest.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.
  */
 
 #if SK_SUPPORT_GPU
 
 #include "SkMatrix.h"
@@ skipping 196 matching lines @@
 
             case kSubclassExtraData_ClassType:
                 GrNEW_APPEND_WITH_DATA_TO_RECORDER(recorder, SubclassExtraData, (i), sizeof(int) * i);
                 break;
 
             case kSubclassEmpty_ClassType:
                 GrNEW_APPEND_TO_RECORDER(recorder, SubclassEmpty, ());
                 break;
 
             default:
-                reporter->reportFailed(SkString("Invalid class type"));
+                ERRORF(reporter, "Invalid class type");
                 break;
         }
     }
     REPORTER_ASSERT(reporter, 1000 == activeRecorderItems);
 
     order.reset();
     Base::Recorder::Iter iter(recorder);
     for (int i = 0; i < 1000; ++i) {
         REPORTER_ASSERT(reporter, iter.next());
         REPORTER_ASSERT(reporter, order.next() == iter->getType());
         iter->validate(reporter);
     }
     REPORTER_ASSERT(reporter, !iter.next());
 
     // Don't reset the recorder. It should automatically destruct all its items.
 }
 
 DEF_GPUTEST(GrTRecorder, reporter, factory) {
     test_empty_back(reporter);
 
     test_extra_data(reporter);
     REPORTER_ASSERT(reporter, 0 == activeRecorderItems); // test_extra_data should call reset().
 
     test_subclasses(reporter);
     REPORTER_ASSERT(reporter, 0 == activeRecorderItems); // Ensure ~GrTRecorder invokes dtors.
 }
 
 #endif