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/skia_test.cpp b/tests/skia_test.cpp
index 8cae656..98168c5 100644
--- a/tests/skia_test.cpp
+++ b/tests/skia_test.cpp
@@ -55,10 +55,6 @@
     const TestRegistry* fReg;
 };
 
-static const char* result2string(Reporter::Result result) {
-    return result == Reporter::kPassed ? "passed" : "FAILED";
-}
-
 class DebugfReporter : public Reporter {
 public:
     DebugfReporter(bool allowExtendedTest, bool allowThreaded)
@@ -87,8 +83,8 @@
         sk_atomic_inc(&fPending);
         SkDebugf("[%3d/%3d] (%d) %s\n", index+1, fTotal, fPending, test->getName());
     }
-    virtual void onReport(const char desc[], Reporter::Result result) {
-        SkDebugf("\t%s: %s\n", result2string(result), desc);
+    virtual void onReportFailed(const SkString& desc) {
+        SkDebugf("\tFAILED: %s\n", desc.c_str());
     }
 
     virtual void onEnd(Test* test) {