Rename DumpAccesibilityTreeHelper to AccessibilityTreeFormatter, pull into content/browser.

content/browser/accessibility/dump_accessibility_tree_helper.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/dump_accessibility_tree_helper.h"
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-
-namespace content {
-namespace {
-const int kIndentSpaces = 4;
-const char* kSkipString = "@NO_DUMP";
-}
-
-DumpAccessibilityTreeHelper::DumpAccessibilityTreeHelper() {
-  Initialize();
-}
-
-DumpAccessibilityTreeHelper::~DumpAccessibilityTreeHelper() {
-}
-
-void DumpAccessibilityTreeHelper::DumpAccessibilityTree(
-    BrowserAccessibility* node, string16* contents) {
-  RecursiveDumpAccessibilityTree(node, contents, 0);
-}
-
-void DumpAccessibilityTreeHelper::RecursiveDumpAccessibilityTree(
-    BrowserAccessibility* node, string16* contents, int indent) {
-  scoped_array<char> prefix(new char[indent + 1]);
-  for (int i = 0; i < indent; ++i)
-    prefix[i] = ' ';
-  prefix[indent] = '\0';
-
-  string16 line = ToString(node, prefix.get());
-  if (line.find(ASCIIToUTF16(kSkipString)) != string16::npos)
-    return;
-
-  *contents += line;
-  for (size_t i = 0; i < node->children().size(); ++i) {
-    RecursiveDumpAccessibilityTree(node->children()[i], contents,
-                                   indent + kIndentSpaces);
-  }
-}
-
-void DumpAccessibilityTreeHelper::SetFilters(
-    const std::vector<Filter>& filters) {
-  filters_ = filters;
-}
-
-bool DumpAccessibilityTreeHelper::MatchesFilters(
-    const string16& text, bool default_result) {
-  std::vector<Filter>::const_iterator iter = filters_.begin();
-  bool allow = default_result;
-  for (iter = filters_.begin(); iter != filters_.end(); ++iter) {
-    if (MatchPattern(text, iter->match_str)) {
-      if (iter->type == Filter::ALLOW_EMPTY)
-        allow = true;
-      else if (iter->type == Filter::ALLOW)
-        allow = (!MatchPattern(text, UTF8ToUTF16("*=''")));
-      else
-        allow = false;
-    }
-  }
-  return allow;
-}
-
-void DumpAccessibilityTreeHelper::StartLine() {
-  line_.clear();
-}
-
-void DumpAccessibilityTreeHelper::Add(
-    bool include_by_default, const string16& attr) {
-  if (attr.empty())
-    return;
-  if (!MatchesFilters(attr, include_by_default))
-    return;
-  if (!line_.empty())
-    line_ += ASCIIToUTF16(" ");
-  line_ += attr;
-}
-
-string16 DumpAccessibilityTreeHelper::FinishLine() {
-  return line_;
-}
-
-}  // namespace content