Add method to sk_gpu_test::TestContext to automatically restore the previous context.

The motivation for this is to allow a GM to create a GL context, do some some work in it, and then return to the context that was set when it was invoked.

Change-Id: Ie8496072a10f8f3ff36a08889e593a6ca961b61a
Reviewed-on: https://skia-review.googlesource.com/70720
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>

1 files changed, 0 insertions, 50 deletions

diff --git a/src/pdf/SkScopeExit.h b/src/pdf/SkScopeExit.h
deleted file mode 100644
index 5b7bcdc076..0000000000
--- a/src/pdf/SkScopeExit.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkScopeExit_DEFINED
-#define SkScopeExit_DEFINED
-
-#include "SkTypes.h"
-
-/**
- * SK_AT_SCOPE_EXIT(stmt) evaluates stmt when the current scope ends.
- *
- * E.g.
- *    {
- *        int x = 5;
- *        {
- *           SK_AT_SCOPE_EXIT(x--);
- *           SkASSERT(x == 5);
- *        }
- *        SkASSERT(x == 4);
- *    }
- */
-template <typename Fn>
-class SkScopeExit {
-public:
-    SkScopeExit(Fn f) : fFn(std::move(f)) {}
-    ~SkScopeExit() { fFn(); }
-
-private:
-    Fn fFn;
-
-    SkScopeExit(           const SkScopeExit& ) = delete;
-    SkScopeExit& operator=(const SkScopeExit& ) = delete;
-    SkScopeExit(                 SkScopeExit&&) = delete;
-    SkScopeExit& operator=(      SkScopeExit&&) = delete;
-};
-
-template <typename Fn>
-inline SkScopeExit<Fn> SkMakeScopeExit(Fn&& fn) {
-    return {std::move(fn)};
-}
-
-#define SK_AT_SCOPE_EXIT(stmt)                              \
-    SK_UNUSED auto&& SK_MACRO_APPEND_LINE(at_scope_exit_) = \
-        SkMakeScopeExit([&]() { stmt; });
-
-#endif  // SkScopeExit_DEFINED