Refactor: clean up some unused or mostly-unused API I saw here.

tests/EmptyPathTest.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 "Test.h"
 #include "SkPath.h"
 #include "SkCanvas.h"
@@ skipping 41 matching lines @@
 
     if (!success) {
         SkString str;
         if (shouldDraw) {
             str.set("Path expected to draw everywhere, but didn't. ");
         } else {
             str.set("Path expected to draw nowhere, but did. ");
         }
         appendStr(&str, paint);
         appendStr(&str, path);
-        reporter->report(str.c_str(), skiatest::Reporter::kFailed);
+        reporter->reportFailed(str);
 
 // uncomment this if you want to step in to see the failure
 //        canvas.drawPath(path, p);
     }
 }
 
 static void iter_paint(skiatest::Reporter* reporter, const SkPath& path, bool shouldDraw) {
     static const SkPaint::Cap gCaps[] = {
         SkPaint::kButt_Cap,
         SkPaint::kRound_Cap,
@@ skipping 74 matching lines @@
         }
     }
 }
 
 static void TestEmptyPath(skiatest::Reporter* reporter) {
     test_emptydrawing(reporter);
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("EmptyPath", TestEmptyPathClass, TestEmptyPath)