Add setSelection function to automation API.

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 66181224b955fc0b6e8584e7da727bad2d12abdd..8c1157e09357838f2133a91e6a8fdab9c8e77a26 100644
--- a/content/browser/accessibility/browser_accessibility_cocoa.mm
+++ b/content/browser/accessibility/browser_accessibility_cocoa.mm
@@ -1939,9 +1939,9 @@ bool InitializeAccessibilityTreeSearch(
   }
   if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute]) {
     NSRange range = [(NSValue*)value rangeValue];
-    [self delegate]->AccessibilitySetTextSelection(
-        browserAccessibility_->GetId(),
-        range.location, range.location + range.length);
+    [self delegate]->AccessibilitySetSelection(
+        browserAccessibility_->GetId(), range.location,
+        browserAccessibility_->GetId(), range.location + range.length);
   }
 }