ARIA 1.1: implementation for aria-col-* and aria-row-*.

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 140af1c12c1b55b668033d5ba839a0b4506254e9..b05d0d16ede874e7436265935710cd667a7de5d9 100644
--- a/content/browser/accessibility/browser_accessibility_cocoa.mm
+++ b/content/browser/accessibility/browser_accessibility_cocoa.mm
@@ -44,9 +44,13 @@ namespace {
 // Private WebKit accessibility attributes.
 NSString* const NSAccessibilityARIAAtomicAttribute = @"AXARIAAtomic";
 NSString* const NSAccessibilityARIABusyAttribute = @"AXARIABusy";
+NSString* const NSAccessibilityARIAColumnCountAttribute = @"AXARIAColumnCount";
+NSString* const NSAccessibilityARIAColumnIndexAttribute = @"AXARIAColumnIndex";
 NSString* const NSAccessibilityARIALiveAttribute = @"AXARIALive";
 NSString* const NSAccessibilityARIAPosInSetAttribute = @"AXARIAPosInSet";
 NSString* const NSAccessibilityARIARelevantAttribute = @"AXARIARelevant";
+NSString* const NSAccessibilityARIARowCountAttribute = @"AXARIARowCount";
+NSString* const NSAccessibilityARIARowIndexAttribute = @"AXARIARowIndex";
 NSString* const NSAccessibilityARIASetSizeAttribute = @"AXARIASetSize";
 NSString* const NSAccessibilityAccessKeyAttribute = @"AXAccessKey";
 NSString* const NSAccessibilityDropEffectsAttribute = @"AXDropEffects";
@@ -513,9 +517,13 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
   } attributeToMethodNameContainer[] = {
       {NSAccessibilityARIAAtomicAttribute, @"ariaAtomic"},
       {NSAccessibilityARIABusyAttribute, @"ariaBusy"},
+      {NSAccessibilityARIAColumnCountAttribute, @"ariaColumnCount"},
+      {NSAccessibilityARIAColumnIndexAttribute, @"ariaColumnIndex"},
       {NSAccessibilityARIALiveAttribute, @"ariaLive"},
       {NSAccessibilityARIAPosInSetAttribute, @"ariaPosInSet"},
       {NSAccessibilityARIARelevantAttribute, @"ariaRelevant"},
+      {NSAccessibilityARIARowCountAttribute, @"ariaRowCount"},
+      {NSAccessibilityARIARowIndexAttribute, @"ariaRowIndex"},
       {NSAccessibilityARIASetSizeAttribute, @"ariaSetSize"},
       {NSAccessibilityAccessKeyAttribute, @"accessKey"},
       {NSAccessibilityChildrenAttribute, @"children"},
@@ -632,6 +640,26 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
       GetState(browserAccessibility_, ui::AX_STATE_BUSY)];
 }
 
+- (NSNumber*)ariaColumnCount {
+  if (!browserAccessibility_->IsTableOrGridOrTreeGridRole())
+    return nil;
+  int count = -1;
+  if (!browserAccessibility_->GetIntAttribute(
+      ui::AX_ATTR_ARIA_COL_COUNT, &count))
+    return nil;
+  return [NSNumber numberWithInt:count];
+}
+
+- (NSNumber*)ariaColumnIndex {
+  if (!browserAccessibility_->IsCellOrTableHeaderRole())
+    return nil;
+  int index = -1;
+  if (!browserAccessibility_->GetIntAttribute(
+      ui::AX_ATTR_ARIA_COL_INDEX, &index))
+    return nil;
+  return [NSNumber numberWithInt:index];
+}
+
 - (NSString*)ariaLive {
   if (![self instanceActive])
     return nil;
@@ -653,6 +681,26 @@ NSString* const NSAccessibilityRequiredAttribute = @"AXRequired";
                                     ui::AX_ATTR_LIVE_RELEVANT);
 }
 
+- (NSNumber*)ariaRowCount {
+  if (!browserAccessibility_->IsTableOrGridOrTreeGridRole())
+    return nil;
+  int count = -1;
+  if (!browserAccessibility_->GetIntAttribute(
+      ui::AX_ATTR_ARIA_ROW_COUNT, &count))
+    return nil;
+  return [NSNumber numberWithInt:count];
+}
+
+- (NSNumber*)ariaRowIndex {
+  if (!browserAccessibility_->IsCellOrTableHeaderRole())
+    return nil;
+  int index = -1;
+  if (!browserAccessibility_->GetIntAttribute(
+      ui::AX_ATTR_ARIA_ROW_INDEX, &index))
+    return nil;
+  return [NSNumber numberWithInt:index];
+}
+
 - (NSNumber*)ariaSetSize {
   if (![self instanceActive])
     return nil;