We also need to fix InspectorOverlay in a separate patch. The canvas has to be created on demand and released when it is not required.
Created attachment 168876 [details] Patch
Comment on attachment 168876 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=168876&action=review > Source/WebCore/ChangeLog:8 > + We also need to fix InspectorOverlay in a separate patch. Please describe here what was instrumented not only what has to be done.
Committed r131423: <http://trac.webkit.org/changeset/131423>