CropScaleReadbackAndCleanMailbox 1335 content/browser/renderer_host/render_widget_host_view_android.cc   gl_helper->CropScaleReadbackAndCleanMailbox(
CropScaleReadbackAndCleanMailbox 1845 content/browser/renderer_host/render_widget_host_view_aura.cc   gl_helper->CropScaleReadbackAndCleanMailbox(
CropScaleReadbackAndCleanMailbox  187 content/common/gpu/client/gl_helper.h   void CropScaleReadbackAndCleanMailbox(