Removed obsolete widgetDiv check in tooltip code.
Removed obsolete widgetDiv check in tooltip code.

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