detach -> release

example/HelloWorld.cpp

Index: example/HelloWorld.cpp
diff --git a/example/HelloWorld.cpp b/example/HelloWorld.cpp
index e30c4674e8d89a6e752fa96831fd07c90cf94cb7..817bbaa4633ec7e6bd0c9d1ef7950ed3f4ed38ce 100644
--- a/example/HelloWorld.cpp
+++ b/example/HelloWorld.cpp
@@ -49,7 +49,7 @@ void HelloWorldWindow::tearDownBackend() {
     SkSafeUnref(fRenderTarget);
     fRenderTarget = NULL;
 
-    INHERITED::detach();
+    INHERITED::release();
 }
 
 void HelloWorldWindow::setTitle() {
@@ -65,7 +65,7 @@ bool HelloWorldWindow::setUpBackend() {
     bool result = attach(kNativeGL_BackEndType, 0 /*msaa*/, &fAttachmentInfo);
     if (false == result) {
         SkDebugf("Not possible to create backend.\n");
-        detach();
+        release();
         return false;
     }