Add theme requires (#3114)
Add theme requires (#3114)


mark-friedman/blockly,rachel-fenichel/blockly,picklesrus/blockly,google/blockly,picklesrus/blockly,google/blockly,rachel-fenichel/blockly,google/blockly,rachel-fenichel/blockly,google/blockly,mark-friedman/blockly,google/blockly,rachel-fenichel/blockly,google/blockly,rachel-fenichel/blockly,picklesrus/blockly,rachel-fenichel/blockly,mark-friedman/blockly,mark-friedman/blockly,google/blockly,mark-friedman/blockly,mark-friedman/blockly,rachel-fenichel/blockly