When text decoration is underline or lie-through, some related IA2 attributes need to deviate from …

content/browser/accessibility/browser_accessibility_win.cc

Index: content/browser/accessibility/browser_accessibility_win.cc
diff --git a/content/browser/accessibility/browser_accessibility_win.cc b/content/browser/accessibility/browser_accessibility_win.cc
index 5ccbc393f5fde58570264115342cbb620ce3c132..0a9a98070d7f2c1ab4b5983b84b317f76127ff23 100644
--- a/content/browser/accessibility/browser_accessibility_win.cc
+++ b/content/browser/accessibility/browser_accessibility_win.cc
@@ -4392,17 +4392,33 @@ std::vector<base::string16> BrowserAccessibilityWin::ComputeTextAttributes()
   // TODO(nektar): Add Blink support for the following attributes.
   // Currently set to their default values as dictated by the IA2 Spec.
   attributes.push_back(L"text-line-through-mode:continuous");
-  attributes.push_back(L"text-line-through-style:none");
+  if (text_style & ui::AX_TEXT_STYLE_LINE_THROUGH) {
+    // TODO(nektar): Figure out a more specific value.
+    attributes.push_back(L"text-line-through-style:solid");
+  } else {
+    attributes.push_back(L"text-line-through-style:none");
+  }
   // Default value must be the empty string.
   attributes.push_back(L"text-line-through-text:");
-  attributes.push_back(L"text-line-through-type:none");
+  if (text_style & ui::AX_TEXT_STYLE_LINE_THROUGH) {
+    // TODO(nektar): Figure out a more specific value.
+    attributes.push_back(L"text-line-through-type:single");
+  } else {
+    attributes.push_back(L"text-line-through-type:none");
+  }
   attributes.push_back(L"text-line-through-width:auto");
   attributes.push_back(L"text-outline:false");
   attributes.push_back(L"text-position:baseline");
   attributes.push_back(L"text-shadow:none");
   attributes.push_back(L"text-underline-mode:continuous");
-  attributes.push_back(L"text-underline-style:none");
-  attributes.push_back(L"text-underline-type:none");
+  if (text_style & ui::AX_TEXT_STYLE_UNDERLINE) {
+    // TODO(nektar): Figure out a more specific value.
+    attributes.push_back(L"text-underline-style:solid");
+    attributes.push_back(L"text-underline-type:single");
+  } else {
+    attributes.push_back(L"text-underline-style:none");
+    attributes.push_back(L"text-underline-type:none");
+  }
   attributes.push_back(L"text-underline-width:auto");
 
   auto text_direction = static_cast<ui::AXTextDirection>(