Move some AX attrs from AXNodeData to AXTreeData.

ui/accessibility/ax_tree_data.cc

Index: ui/accessibility/ax_tree_data.cc
diff --git a/ui/accessibility/ax_tree_data.cc b/ui/accessibility/ax_tree_data.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9475a597ff5df7471e3ff10b2fb55efba700198b
--- /dev/null
+++ b/ui/accessibility/ax_tree_data.cc
@@ -0,0 +1,88 @@
+// Copyright 2015 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 "ui/accessibility/ax_tree_data.h"
+
+#include <set>
+
+#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"
+
+using base::DoubleToString;
+using base::IntToString;
+
+namespace ui {
+
+AXTreeData::AXTreeData()
+    : tree_id(-1),
+      parent_tree_id(-1),
+      loaded(false),
+      loading_progress(0.0),
+      sel_anchor_object_id(-1),
+      sel_anchor_offset(-1),
+      sel_focus_object_id(-1),
+      sel_focus_offset(-1) {
+}
+
+AXTreeData::~AXTreeData() {
+}
+
+// Note that this includes an initial space character if nonempty, but
+// that works fine because this is normally printed by AXTree::ToString.
+std::string AXTreeData::ToString() const {
+  std::string result;
+
+  if (tree_id != -1)
+    result += " tree_id=" + IntToString(tree_id);
+  if (parent_tree_id != -1)
+    result += " parent_tree_id=" + IntToString(parent_tree_id);
+
+  if (!url.empty())
+    result += " url=" + url;
+  if (!title.empty())
+    result += " title=" + title;
+  if (!mimetype.empty())
+    result += " mimetype=" + mimetype;
+  if (!doctype.empty())
+    result += " doctype=" + doctype;
+
+  if (loaded)
+    result += " loaded=true";
+  if (loading_progress != 0.0)
+    result += " loading_progress=" + DoubleToString(loading_progress);
+
+  if (sel_anchor_object_id != -1) {
+    result += " sel_anchor_object_id=" + IntToString(sel_anchor_object_id);
+    result += " sel_anchor_offset=" + IntToString(sel_anchor_offset);
+  }
+  if (sel_focus_object_id != -1) {
+    result += " sel_focus_object_id=" + IntToString(sel_focus_object_id);
+    result += " sel_focus_offset=" + IntToString(sel_focus_offset);
+  }
+
+  return result;
+}
+
+bool operator==(const AXTreeData& lhs, const AXTreeData& rhs) {
+  return (lhs.tree_id == rhs.tree_id &&
+          lhs.parent_tree_id == rhs.parent_tree_id &&
+          lhs.url == rhs.url &&
+          lhs.title == rhs.title &&
+          lhs.mimetype == rhs.mimetype &&
+          lhs.doctype == rhs.doctype &&
+          lhs.loaded == rhs.loaded &&
+          lhs.loading_progress == rhs.loading_progress &&
+          lhs.sel_anchor_object_id == rhs.sel_anchor_object_id &&
+          lhs.sel_anchor_offset == rhs.sel_anchor_offset &&
+          lhs.sel_focus_object_id == rhs.sel_focus_object_id &&
+          lhs.sel_focus_offset == rhs.sel_focus_offset);
+}
+
+bool operator!=(const AXTreeData& lhs, const AXTreeData& rhs) {
+  return !(lhs == rhs);
+}
+
+}  // namespace ui