Worked around a trybot change by replacing spaces with "+" for the indentation in accessibility bro…

content/browser/accessibility/accessibility_tree_formatter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/web_contents.h"
 
 namespace content {
 namespace {
-const int kIndentSpaces = 4;
+const char kIndentSymbol = '+';
+const int kIndentSymbolCount = 2;
 const char* kSkipString = "@NO_DUMP";
 const char* kChildrenDictAttr = "children";
 }
 
 AccessibilityTreeFormatter::AccessibilityTreeFormatter(
     BrowserAccessibility* root)
     : root_(root),
       show_ids_(false) {
   Initialize();
 }
@@ skipping 38 matching lines @@
   for (size_t i = 0; i < node.PlatformChildCount(); ++i) {
     BrowserAccessibility* child_node = node.PlatformGetChild(i);
     base::DictionaryValue* child_dict = new base::DictionaryValue;
     children->Append(child_dict);
     RecursiveBuildAccessibilityTree(*child_node, child_dict);
   }
 }
 
 void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree(
     const base::DictionaryValue& dict, base::string16* contents, int depth) {
-  base::string16 indent = base::string16(depth * kIndentSpaces, ' ');
+  base::string16 indent = base::string16(depth * kIndentSymbolCount,
+                                         kIndentSymbol);
   base::string16 line = indent + ToString(dict);
   if (line.find(base::ASCIIToUTF16(kSkipString)) != base::string16::npos)
     return;
 
   *contents += line + base::ASCIIToUTF16("\n");
   const base::ListValue* children;
   dict.GetList(kChildrenDictAttr, &children);
   const base::DictionaryValue* child_dict;
   for (size_t i = 0; i < children->GetSize(); i++) {
     children->GetDictionary(i, &child_dict);
@@ skipping 95 matching lines @@
   if (attr.empty())
     return;
   if (!MatchesFilters(attr, include_by_default))
     return;
   if (!line->empty())
     *line += base::ASCIIToUTF16(" ");
   *line += attr;
 }
 
 }  // namespace content