Autofill: Use the title attribute as a last resort for finding labels

components/autofill/content/renderer/form_autofill_util.cc

 // Copyright 2013 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 "components/autofill/content/renderer/form_autofill_util.h"
 
 #include <map>
 #include <set>
 
 #include "base/command_line.h"
@@ skipping 549 matching lines @@
 
   // If we didn't find a label, check for table row case.
   inferred_label = InferLabelFromTableRow(element);
   if (!inferred_label.empty())
     return inferred_label;
 
   if (!check_div_first) {
     // If we didn't find a label from the table, check for div table case if we
     // haven't already.
     inferred_label = InferLabelFromDivTable(element);
+    if (!inferred_label.empty())
+      return inferred_label;
   }
+
+  // Not all web pages put useful info in the title attribute, thus use this as
+  // a last resort.
+  CR_DEFINE_STATIC_LOCAL(WebString, kTitle, ("title"));
+  if (element.hasAttribute(kTitle))
+    inferred_label = element.getAttribute(kTitle);
   return inferred_label;
 }
 
 // Fills |option_strings| with the values of the <option> elements present in
 // |select_element|.
 void GetOptionStringsFromElement(const WebSelectElement& select_element,
                                  std::vector<base::string16>* option_values,
                                  std::vector<base::string16>* option_contents) {
   DCHECK(!select_element.isNull());
 
@@ skipping 836 matching lines @@
 
 gfx::RectF GetScaledBoundingBox(float scale, WebElement* element) {
   gfx::Rect bounding_box(element->boundsInViewportSpace());
   return gfx::RectF(bounding_box.x() * scale,
                     bounding_box.y() * scale,
                     bounding_box.width() * scale,
                     bounding_box.height() * scale);
 }
 
 }  // namespace autofill