Make accessible scroll position attributes more generic and

content/browser/accessibility/browser_accessibility.cc

Index: content/browser/accessibility/browser_accessibility.cc
===================================================================
--- content/browser/accessibility/browser_accessibility.cc	(revision 112482)
+++ content/browser/accessibility/browser_accessibility.cc	(working copy)
@@ -133,8 +133,8 @@
   BrowserAccessibility* root = manager_->GetRoot();
   int scroll_x = 0;
   int scroll_y = 0;
-  root->GetIntAttribute(WebAccessibility::ATTR_DOC_SCROLLX, &scroll_x);
-  root->GetIntAttribute(WebAccessibility::ATTR_DOC_SCROLLY, &scroll_y);
+  root->GetIntAttribute(WebAccessibility::ATTR_SCROLL_X, &scroll_x);
+  root->GetIntAttribute(WebAccessibility::ATTR_SCROLL_Y, &scroll_y);
   bounds.Offset(-scroll_x, -scroll_y);
 
   return bounds;
@@ -272,4 +272,3 @@
     result += children_[i]->GetTextRecursive();
   return result;
 }
-