The Tor Browser: layout/base/PaintTracker.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef mozilla_PaintTracker_h

     6 #define mozilla_PaintTracker_h

     8 #include "mozilla/Attributes.h"

     9 #include "nsDebug.h"

    11 namespace mozilla {

    13 class MOZ_STACK_CLASS PaintTracker

    14 {

    15 public:

    16   PaintTracker() {

    17     ++gPaintTracker;

    18   }

    19   ~PaintTracker() {

    20     NS_ASSERTION(gPaintTracker > 0, "Mismatched constructor/destructor");

    21     --gPaintTracker;

    22   }

    24   static bool IsPainting() {

    25     return !!gPaintTracker;

    26   }

    28 private:

    29   static int gPaintTracker;

    30 };

    32 } // namespace mozilla

    34 #endif // mozilla_PaintTracker_h

The Tor Browser / file revision