SkSTArenaAlloc

Syntactic sugar, gets rid of some boilerplate.

Change-Id: Ibdb28b7a8f1d5e4a4e18c12d423b987d7194e340
Reviewed-on: https://skia-review.googlesource.com/17837
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
diff --git a/tests/PathOpsAngleIdeas.cpp b/tests/PathOpsAngleIdeas.cpp
index 003242f..c50260f 100644
--- a/tests/PathOpsAngleIdeas.cpp
+++ b/tests/PathOpsAngleIdeas.cpp
@@ -558,8 +558,7 @@
 }
 
 DEF_TEST(PathOpsAngleOverlapHullsOne, reporter) {
-    char storage[4096];
-    SkArenaAlloc allocator(storage);
+    SkSTArenaAlloc<4096> allocator;
 //    gPathOpsAngleIdeasVerbose = true;
     const QuadPts quads[] = {
 {{{939.4808349609375, 914.355224609375}, {-357.7921142578125, 590.842529296875}, {736.8936767578125, -350.717529296875}}},
@@ -574,8 +573,7 @@
 }
 
 DEF_TEST(PathOpsAngleOverlapHulls, reporter) {
-    char storage[4096];
-    SkArenaAlloc allocator(storage);
+    SkSTArenaAlloc<4096> allocator;
     if (!gPathOpsAngleIdeasVerbose) {  // takes a while to run -- so exclude it by default
         return;
     }