Implemented ARIA colindex, rowindex, colcount and rowcount for Chromevox.

chrome/common/extensions/api/automation.idl

Index: chrome/common/extensions/api/automation.idl
diff --git a/chrome/common/extensions/api/automation.idl b/chrome/common/extensions/api/automation.idl
index b10bf511e21137e3af23554edaab4d7461ffc347..cd074557af5c48dc0a3a1a1ed3048161dcf95665 100644
--- a/chrome/common/extensions/api/automation.idl
+++ b/chrome/common/extensions/api/automation.idl
@@ -552,25 +552,37 @@
     // Table attributes.
     //
 
-    // The number of rows in this table.
+    // The number of rows in this table as specified in the DOM.
     long? tableRowCount;
 
-    // The number of columns in this table.
+    // The number of rows in this table as specified by the page author.
+    long? ariaRowCount;
+
+    // The number of columns in this table as specified in the DOM.
     long? tableColumnCount;
 
+    // The number of columns in this table as specified by the page author.
+    long? ariaColumnCount;
+
     //
     // Table cell attributes.
     //
 
-    // The zero-based index of the column that this cell is in.
+    // The zero-based index of the column that this cell is in as specified in the DOM.

[michaelpg, 2017/04/06 14:52:05]

nit: wrap line at 80 chars

     long? tableCellColumnIndex;
 
+    // The ARIA column index as specified by the page author.
+    long? ariaCellColumnIndex;
+
     // The number of columns that this cell spans (default is 1).
     long? tableCellColumnSpan;
 
-    // The zero-based index of the row that this cell is in.
+    // The zero-based index of the row that this cell is in as specified in the DOM.

[michaelpg, 2017/04/06 14:52:05]

nit: wrap line at 80 chars

     long? tableCellRowIndex;
 
+    // The ARIA row index as specified by the page author.
+    long? ariaCellRowIndex;
+
     // The number of rows that this cell spans (default is 1).
     long? tableCellRowSpan;