implment WebCL-WebGL interops in V8, renderer process, and GPU process
(1) Command buffer messages, client-side functions, and server-side
functions for each interop API call
(2) V8 binding additions and fixes for cl-gl interops
(3) Fixes related to upgrading to new ANGLE; APIs changes in new ANGLE
in the area of shader compilation broke this older version of Chromium
(4) Resolved issue related to GL resource handle translation by
Chromium's command buffer GLES implementation, where handles on the
client and service side are different and needed by translated by maps