This is now handled by the compositor. Reshapes need to be done on the compositor thread.
Created attachment 104723 [details] Remove two reshape calls.
Comment on attachment 104723 [details] Remove two reshape calls. Looks good. Should probably "test" that things work still by (a) visiting a page with WebGL and making sure it works and then (b) killing the GPU process and making sure the page still recovers from lost context.
I manually tested WebGL and about:gpucrash
Comment on attachment 104723 [details] Remove two reshape calls. Clearing flags on attachment: 104723 Committed r93566: <http://trac.webkit.org/changeset/93566>
All reviewed patches have been landed. Closing bug.