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

content/browser/accessibility/browser_accessibility_cocoa.mm

Index: content/browser/accessibility/browser_accessibility_cocoa.mm
diff --git a/content/browser/accessibility/browser_accessibility_cocoa.mm b/content/browser/accessibility/browser_accessibility_cocoa.mm
index 89fe4d98eb764cf4b58f7788bb5e989611c3578a..acb7a2ac5565c3a02084e573de12202c0a504a0b 100644
--- a/content/browser/accessibility/browser_accessibility_cocoa.mm
+++ b/content/browser/accessibility/browser_accessibility_cocoa.mm
@@ -661,8 +661,8 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
   if (!browserAccessibility_->IsTableOrGridOrTreeGridRole())
     return nil;
   int count = -1;
-  if (!browserAccessibility_->GetIntAttribute(
-      ui::AX_ATTR_ARIA_COL_COUNT, &count))
+  if (!browserAccessibility_->GetIntAttribute(ui::AX_ATTR_ARIA_COLUMN_COUNT,
+                                              &count))
     return nil;
   return [NSNumber numberWithInt:count];
 }
@@ -672,7 +672,7 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
     return nil;
   int index = -1;
   if (!browserAccessibility_->GetIntAttribute(
-      ui::AX_ATTR_ARIA_COL_INDEX, &index))
+          ui::AX_ATTR_ARIA_CELL_COLUMN_INDEX, &index))
     return nil;
   return [NSNumber numberWithInt:index];
 }
@@ -712,8 +712,8 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
   if (!browserAccessibility_->IsCellOrTableHeaderRole())
     return nil;
   int index = -1;
-  if (!browserAccessibility_->GetIntAttribute(
-      ui::AX_ATTR_ARIA_ROW_INDEX, &index))
+  if (!browserAccessibility_->GetIntAttribute(ui::AX_ATTR_ARIA_CELL_ROW_INDEX,
+                                              &index))
     return nil;
   return [NSNumber numberWithInt:index];
 }