Unit Tests: eliminate stray SkDebugf()s.

tests/StreamTest.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.
  */
 
 #include "Resources.h"
 #include "SkData.h"
 #include "SkFrontBufferedStream.h"
@@ skipping 146 matching lines @@
     for (i = 0; i < SK_ARRAY_COUNT(sizes); ++i) {
         bool success = wstream.writePackedUInt(sizes[i]);
         REPORTER_ASSERT(reporter, success);
     }
     wstream.flush();
 
     SkMemoryStream rstream(buffer, sizeof(buffer));
     for (i = 0; i < SK_ARRAY_COUNT(sizes); ++i) {
         size_t n = rstream.readPackedUInt();
         if (sizes[i] != n) {
-            SkDebugf("-- %d: sizes:%x n:%x\n", i, sizes[i], n);
+            ERRORF(reporter, "sizes:%x != n:%x\n", i, sizes[i], n);
         }
-        REPORTER_ASSERT(reporter, sizes[i] == n);
     }
 }
 
 // Test that setting an SkMemoryStream to a nullptr data does not result in a crash when calling
 // methods that access fData.
 static void TestDereferencingData(SkMemoryStream* memStream) {
     memStream->read(nullptr, 0);
     memStream->getMemoryBase();
     SkAutoDataUnref data(memStream->copyToData());
 }
@@ skipping 249 matching lines @@
     SkMemoryStream smartStream(src.get(), (size_t)N);
     stream_copy_test(reporter, src, N, &smartStream);
 }
 
 DEF_TEST(StreamEmptyStreamMemoryBase, r) {
     SkDynamicMemoryWStream tmp;
     SkAutoTDelete<SkStreamAsset> asset(tmp.detachAsStream());
     REPORTER_ASSERT(r, nullptr == asset->getMemoryBase());
 }