Unit Tests: eliminate stray SkDebugf()s.

tests/SrcOverTest.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 "SkColorPriv.h"
 #include "SkXfermode.h"
 #include "Test.h"
@@ skipping 24 matching lines @@
     int opaqueCounter2 = 0;
     for (i = 0; i <= 255; i++) {
         unsigned result0 = test_srcover0(0xFF, i);
         unsigned result1 = test_srcover1(0xFF, i);
         unsigned result2 = test_srcover2(0xFF, i);
         opaqueCounter0 += (result0 == 0xFF);
         opaqueCounter1 += (result1 == 0xFF);
         opaqueCounter2 += (result2 == 0xFF);
     }
 #if 0
-    SkDebugf("---- opaque test: [%d %d %d]\n",
-             opaqueCounter0, opaqueCounter1, opaqueCounter2);
+    INFOF(reporter, "---- opaque test: [%d %d %d]\n",
+          opaqueCounter0, opaqueCounter1, opaqueCounter2);
 #endif
     // we acknowledge that technique0 does not always return opaque
     REPORTER_ASSERT(reporter, opaqueCounter0 == 256);
     REPORTER_ASSERT(reporter, opaqueCounter1 == 256);
     REPORTER_ASSERT(reporter, opaqueCounter2 == 256);
 
     // Now ensure that we never over/underflow a byte
     for (i = 0; i <= 255; i++) {
         for (unsigned dst = 0; dst <= 255; dst++) {
             unsigned r0 = test_srcover0(dst, i);
             unsigned r1 = test_srcover1(dst, i);
             unsigned r2 = test_srcover2(dst, i);
             unsigned max = SkMax32(dst, i);
             // ignore the known failure
             if (dst != 255) {
                 REPORTER_ASSERT(reporter, r0 <= 255 && r0 >= max);
             }
             REPORTER_ASSERT(reporter, r1 <= 255 && r1 >= max);
             REPORTER_ASSERT(reporter, r2 <= 255 && r2 >= max);
 
 #if 0
             // this shows where r1 (faster) differs from r2 (more exact)
             if (r1 != r2) {
-                SkDebugf("--- dst=%d i=%d r1=%d r2=%d exact=%g\n",
-                         dst, i, r1, r2, i + dst - dst*i/255.0f);
+                INFOF(reporter, "--- dst=%d i=%d r1=%d r2=%d exact=%g\n",
+                      dst, i, r1, r2, i + dst - dst*i/255.0f);
             }
 #endif
         }
     }
 }