Add option to not dump childrens of a node in AX Tree.

This would be useful in cases when on the same platform due to different version, AX tree may vary. Please check below mentioned bug id for such kind of example. BUG=423675 Review URL: https://codereview.chromium.org/844273002 Cr-Commit-Position: refs/heads/master@{#327238}

Add option to not dump childrens of a node in AX Tree.
This would be useful in cases when on the same platform due to different version, AX tree may vary. Please check below mentioned bug id for such kind of example. BUG=423675 Review URL: https://codereview.chromium.org/844273002 Cr-Commit-Position: refs/heads/master@{#327238}
e0ee113f · shreeram.k · Commit bot · d4d2fc18 · e0ee113f · e0ee113f
Commit e0ee113f authored Apr 27, 2015 by shreeram.k Committed by Commit bot Apr 28, 2015
4 changed files
--- a/content/browser/accessibility/accessibility_tree_formatter.cc
+++ b/content/browser/accessibility/accessibility_tree_formatter.cc
@@ -20,6 +20,7 @@ namespace {
 const char kIndentSymbol = '+';
 const int kIndentSymbolCount = 2;
 const char* kSkipString = "@NO_DUMP";
+const char* kSkipChildren = "@NO_CHILDREN_DUMP";
 const char* kChildrenDictAttr = "children";
 }

@@ -84,6 +85,9 @@ void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree(
    return;

  *contents += line + base::ASCIIToUTF16("\n");
+  if (line.find(base::ASCIIToUTF16(kSkipChildren)) != base::string16::npos)
+    return;
+
  const base::ListValue* children;
  dict.GetList(kChildrenDictAttr, &children);
  const base::DictionaryValue* child_dict;

--- a/content/test/data/accessibility/html/input-date-expected-android.txt
+++ b/content/test/data/accessibility/html/input-date-expected-android.txt
 android.webkit.WebView focusable focused scrollable
 ++android.view.View
-++++android.widget.Spinner clickable focusable name='2008-09-01' input_type=20
++++android.widget.Spinner clickable focusable name='@NO_CHILDREN_DUMP' input_type=20
--- a/content/test/data/accessibility/html/input-date-expected-win.txt
+++ b/content/test/data/accessibility/html/input-date-expected-win.txt
 ROLE_SYSTEM_DOCUMENT READONLY FOCUSABLE
 ++IA2_ROLE_SECTION
-++++IA2_ROLE_DATE_EDITOR FOCUSABLE
-++++++IA2_ROLE_SECTION
-++++++++IA2_ROLE_SECTION
-++++++++++ROLE_SYSTEM_SPINBUTTON name='Month' FOCUSABLE
-++++++++++ROLE_SYSTEM_STATICTEXT name='/'
-++++++++++ROLE_SYSTEM_SPINBUTTON name='Day' FOCUSABLE
-++++++++++ROLE_SYSTEM_STATICTEXT name='/'
-++++++++++ROLE_SYSTEM_SPINBUTTON name='Year' FOCUSABLE
-++++++ROLE_SYSTEM_BUTTONMENU FOCUSABLE
-++++++ROLE_SYSTEM_SPINBUTTON
-++++++++ROLE_SYSTEM_PUSHBUTTON
-++++++++ROLE_SYSTEM_PUSHBUTTON
++++IA2_ROLE_DATE_EDITOR name='@NO_CHILDREN_DUMP' FOCUSABLE
--- a/content/test/data/accessibility/html/input-date.html
+++ b/content/test/data/accessibility/html/input-date.html
@@ -5,7 +5,7 @@
 <html>
 <body>

-  <input type="date" value="2008-09-01">
+  <input aria-label="@NO_CHILDREN_DUMP" type="date" value="2008-09-01">

 </body>
 </html>