Improve formatting of accessibility tests that dump the tree.

content/browser/accessibility/dump_accessibility_tree_helper_win.cc

Index: content/browser/accessibility/dump_accessibility_tree_helper_win.cc
diff --git a/content/browser/accessibility/dump_accessibility_tree_helper_win.cc b/content/browser/accessibility/dump_accessibility_tree_helper_win.cc
index 33dac19aacf697a79a3ea6a203b96803f678eeb7..05fc874166b8aa72caa415b84de20b921e085bcc 100644
--- a/content/browser/accessibility/dump_accessibility_tree_helper_win.cc
+++ b/content/browser/accessibility/dump_accessibility_tree_helper_win.cc
@@ -155,7 +155,8 @@ void DumpAccessibilityTreeHelper::Initialize() {
   // STATE_MAP(IA2_STATE_VERTICAL) // Untested.
 }
 
-string16 DumpAccessibilityTreeHelper::ToString(BrowserAccessibility* node) {
+string16 DumpAccessibilityTreeHelper::ToString(
+    BrowserAccessibility* node, char* prefix) {
   if (role_string_map.empty())
     Initialize();
 
@@ -164,11 +165,16 @@ string16 DumpAccessibilityTreeHelper::ToString(BrowserAccessibility* node) {
   std::map<int32, string16>::iterator it;
 
   for (it = state_string_map.begin(); it != state_string_map.end(); ++it) {
-    if (it->first & acc_obj->ia2_state())
-      state += it->second + L"|";
+    if (it->first & acc_obj->ia2_state()) {
+      if (!state.empty())
+        state += L",";
+      state += it->second;
+    }
   }
-  return acc_obj->name() + L"|" + role_string_map[acc_obj->ia2_role()] + L"|" +
-      state;
+  return UTF8ToUTF16(prefix) +
+         role_string_map[acc_obj->ia2_role()] +
+         L" name='" + acc_obj->name() +
+         L"' state=" + state + L"\n";
 }
 
 const FilePath::StringType DumpAccessibilityTreeHelper::GetActualFileSuffix()
@@ -180,7 +186,3 @@ const FilePath::StringType DumpAccessibilityTreeHelper::GetExpectedFileSuffix()
     const {
   return FILE_PATH_LITERAL("-expected-win.txt");
 }
-
-const string16 DumpAccessibilityTreeHelper::GetLineEnding() const {
-  return L"\r\n";
-}