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/ImageCacheTest.cpp b/tests/ImageCacheTest.cpp
index 8f1591f..6087b7f 100644
--- a/tests/ImageCacheTest.cpp
+++ b/tests/ImageCacheTest.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "Test.h"
+#include "TestClassDef.h"
 #include "SkDiscardableMemory.h"
 #include "SkScaledImageCache.h"
 
@@ -85,7 +86,7 @@
     return gPool->create(bytes);
 }
 
-static void TestImageCache(skiatest::Reporter* reporter) {
+DEF_TEST(ImageCache, reporter) {
     static const size_t defLimit = DIM * DIM * 4 * COUNT + 1024;    // 1K slop
 
     {
@@ -104,9 +105,6 @@
     }
 }
 
-#include "TestClassDef.h"
-DEFINE_TESTCLASS("ImageCache", TestImageCacheClass, TestImageCache)
-
 DEF_TEST(ImageCache_doubleAdd, r) {
     // Adding the same key twice should be safe.
     SkScaledImageCache cache(1024);