Use DEFINE_TESTCLASS_SHORT macro in tests.

The three version of DEFINE_TESTCLASS macro is deprecated and thus just
use the simple, short one.

BUG=None
TEST=out/Debug/tests
R=mtklein@google.com, bsalomon@google.com, robertphillips@google.com

Review URL: https://codereview.chromium.org/100113004

git-svn-id: http://skia.googlecode.com/svn/trunk@12653 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/MipMapTest.cpp b/tests/MipMapTest.cpp
index 3988273..ed62219 100644
--- a/tests/MipMapTest.cpp
+++ b/tests/MipMapTest.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "Test.h"
+#include "TestClassDef.h"
 #include "SkMipMap.h"
 #include "SkBitmap.h"
 #include "SkRandom.h"
@@ -20,7 +21,7 @@
     bm->eraseColor(SK_ColorWHITE);
 }
 
-static void TestMipMap(skiatest::Reporter* reporter) {
+DEF_TEST(MipMap, reporter) {
     SkBitmap bm;
     SkRandom rand;
 
@@ -54,6 +55,3 @@
         }
     }
 }
-
-#include "TestClassDef.h"
-DEFINE_TESTCLASS("MipMap", MipMapTestClass, TestMipMap)