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

BUG=
R=bungeman@google.com, reed@google.com

Author: mtklein@google.com

Review URL: https://chromiumcodereview.appspot.com/17414003

git-svn-id: http://skia.googlecode.com/svn/trunk@9668 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/EmptyPathTest.cpp b/tests/EmptyPathTest.cpp
index 5c054ec..153af1f 100644
--- a/tests/EmptyPathTest.cpp
+++ b/tests/EmptyPathTest.cpp
@@ -59,7 +59,7 @@
         }
         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);