Update procedure callers on var rename (PR#2251)
Update procedure callers on var rename (PR#2251)

Merge from TangHu2018/develop
joshlory/blockly,rachel-fenichel/blockly,mark-friedman/blockly,nickmain/blockly,twodee/blockly,nickmain/blockly,twodee/blockly,twodee/blockly,google/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,rachel-fenichel/blockly,google/blockly,picklesrus/blockly,google/blockly,mark-friedman/blockly,nickmain/blockly,picklesrus/blockly,twodee/blockly,google/blockly,rachel-fenichel/blockly,nickmain/blockly,rachel-fenichel/blockly,google/blockly,nickmain/blockly,joshlory/blockly,google/blockly,mark-friedman/blockly,mark-friedman/blockly,mark-friedman/blockly,joshlory/blockly,google/blockly,nickmain/blockly,rachel-fenichel/blockly,mark-friedman/blockly,twodee/blockly,twodee/blockly,picklesrus/blockly