Revision 1278756

Transferred from the Adobe Open Source Subversion Repository

Revision: 17632
Author:   cframpto@adobe.com
Date:     2010-09-09T17:21:50.205953Z

Log Message: 
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CHB and DataGrid - remove unnecessay code

DataGroup - fix RTE in removeRendererAt which can happen if the renderer has already been recycled

Grid - fix interaction of generatedColumns with typicalItem and/or dataProvider changing, fix interaction of variableRowHeight and rowHeight, selection methods need to force validation before they can be done since pending dataProvider or column changes will reset the selection, update CHB when dp changes

GridDimension - add comment

QE notes: 
Doc notes: 
Bugs: sDK-27691, SDK-27393, SDK-27592, SDK-27590 SDK-27529
Reviewer:  Hans
Tests run: many many cyclones
Is noteworthy for integration:

Modified Paths:
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<path kind="file" action="M">/private/flex/sdk/branches/hero_private/frameworks/projects/spark/src/spark/components/Grid.as</path>
<path kind="file" action="M">/private/flex/sdk/branches/hero_private/frameworks/projects/spark/src/spark/components/DataGroup.as</path>
<path kind="file" action="M">/private/flex/sdk/branches/hero_private/frameworks/projects/spark/src/spark/components/supportClasses/GridDimensions.as</path>
<path kind="file" action="M">/private/flex/sdk/branches/hero_private/frameworks/projects/spark/src/spark/components/ColumnHeaderBar.as</path>
<path kind="file" action="M">/private/flex/sdk/branches/hero_private/frameworks/projects/spark/src/spark/components/DataGrid.as</path>