Backed out changeset ab6dbbd9fa3e (bug 976605)
authorEd Morley <>
Tue, 15 Apr 2014 17:45:44 +0100
changeset 197175 68364354e2b9334e4596802e5ed9869723815ae0
parent 197174 713bca984ae54fbae15b70d0430f844f573cd6d3
child 197176 20d48da6ddbef3317d532cbe61cb421a427dbbf4
push id3624
push dateMon, 09 Jun 2014 21:49:01 +0000
treeherdermozilla-beta@b1a5da15899a [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
backs outab6dbbd9fa3e2e8945c2953cfa2dc73de5bed36f
first release with
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Backed out changeset ab6dbbd9fa3e (bug 976605)
--- a/gfx/layers/ipc/AsyncPanZoomController.h
+++ b/gfx/layers/ipc/AsyncPanZoomController.h
@@ -638,19 +638,17 @@ protected:
   // monitor. Do not read from or modify either of them without locking.
   FrameMetrics mFrameMetrics;
   // Protects |mFrameMetrics|, |mLastContentPaintMetrics|, and |mState|.
   // Before manipulating |mFrameMetrics| or |mLastContentPaintMetrics|, the
   // monitor should be held. When setting |mState|, either the SetState()
   // function can be used, or the monitor can be held and then |mState| updated.
   // IMPORTANT: See the note about lock ordering at the top of APZCTreeManager.h.
-  // This is mutable to allow entering it from 'const' methods; doing otherwise
-  // would significantly limit what methods could be 'const'.
-  mutable ReentrantMonitor mMonitor;
+  ReentrantMonitor mMonitor;
   // Specifies whether we should use touch-action css property. Initialized from
   // the preferences. This property (in comparison with the global one) simplifies
   // testing apzc with (and without) touch-action property enabled concurrently
   // (e.g. with the gtest framework).
   bool mTouchActionPropertyEnabled;