Revert of Make SkGLContext lifetime more well-defined

tests/EGLImageTest.cpp

Index: tests/EGLImageTest.cpp
diff --git a/tests/EGLImageTest.cpp b/tests/EGLImageTest.cpp
index fdae3b32d1eb9e5e715c52833bf59a73a0c80888..b5754d8eb5ff130778096bc3a93cfc406196a31e 100644
--- a/tests/EGLImageTest.cpp
+++ b/tests/EGLImageTest.cpp
@@ -28,6 +28,7 @@
         if (GR_EGL_NO_IMAGE != image1) {
             glctx1->destroyEGLImage(image1);
         }
+        glctx1->unref();
     }
 
     glctx0->makeCurrent();
@@ -90,7 +91,7 @@
         return;
     }
 
-    SkAutoTDelete<SkGLContext> glCtx1 = glCtx0->createNew();
+    SkGLContext* glCtx1 = glCtx0->createNew();
     if (!glCtx1) {
         return;
     }