Add REPORTF test macro.

tests/PathCoverageTest.cpp

Index: tests/PathCoverageTest.cpp
diff --git a/tests/PathCoverageTest.cpp b/tests/PathCoverageTest.cpp
index 25b5fd1c09c905658285c8f72ebe45070a455d72..7153550523eabbcd1282336647bc280a88b09d60 100644
--- a/tests/PathCoverageTest.cpp
+++ b/tests/PathCoverageTest.cpp
@@ -137,14 +137,12 @@ static bool one_d_pe(const int* array, const unsigned int count,
             (estimatedCount <= 2 * computedCount);
 
         if (!isAccurate) {
-            SkString errorDescription;
-            errorDescription.printf(
-                "Curve from %.2f %.2f through %.2f %.2f to %.2f %.2f "
-                "computes %d, estimates %d\n",
-                path[0].fX, path[0].fY, path[1].fX, path[1].fY,
-                path[2].fX, path[2].fY, computedCount, estimatedCount);
+            REPORTF(reporter,
+                    ("Curve from %.2f %.2f through %.2f %.2f to %.2f %.2f "
+                     "computes %d, estimates %d\n",
+                     path[0].fX, path[0].fY, path[1].fX, path[1].fY,
+                     path[2].fX, path[2].fY, computedCount, estimatedCount));
             numErrors++;
-            reporter->reportFailed(errorDescription);
         }
     }