grapher: rearrange to read top down
grapher: rearrange to read top down

`redraw` is essentially the main entry point that dispatches to the
rest of the class, move it up so the file.

Helper function `testframe` can be near the bottom

NProfileAnalysisComputationalTool/npact,victor-lin/npact,victor-lin/npact,victor-lin/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact