SK_SUPPORT_LEGACY_GRTYPES to hide duplicate types from SkTypes.h

BUG=skia:
R=bsalomon@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/216503004

git-svn-id: http://skia.googlecode.com/svn/trunk@13982 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrAllocator.h b/src/gpu/GrAllocator.h
index f2afec8..4e47fb1 100644
--- a/src/gpu/GrAllocator.h
+++ b/src/gpu/GrAllocator.h
@@ -80,7 +80,7 @@
      * removes all added items
      */
     void reset() {
-        int blockCount = GrMax((unsigned)1,
+        int blockCount = SkTMax((unsigned)1,
                                GrUIDivRoundUp(fCount, fItemsPerBlock));
         for (int i = 1; i < blockCount; ++i) {
             sk_free(fBlocks[i]);