Rewrite scoped_array<T> to scoped_ptr<T[]> in content/, Linux edition.

content/browser/accessibility/accessibility_tree_formatter.cc

Index: content/browser/accessibility/accessibility_tree_formatter.cc
diff --git a/content/browser/accessibility/accessibility_tree_formatter.cc b/content/browser/accessibility/accessibility_tree_formatter.cc
index f8b4cc735230a139c6e660a862f3653d8181a2cc..cbe0629f9173ca46ea6c6b051baa83b12181c190 100644
--- a/content/browser/accessibility/accessibility_tree_formatter.cc
+++ b/content/browser/accessibility/accessibility_tree_formatter.cc
@@ -52,7 +52,7 @@ void AccessibilityTreeFormatter::FormatAccessibilityTree(
 
 void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree(
     BrowserAccessibility* node, string16* contents, int indent) {
-  scoped_array<char> prefix(new char[indent + 1]);
+  scoped_ptr<char[]> prefix(new char[indent + 1]);
   for (int i = 0; i < indent; ++i)
     prefix[i] = ' ';
   prefix[indent] = '\0';