Adds color, font size, text direction and text styles to the accessibility tree.

content/renderer/accessibility/blink_ax_enum_conversion.cc

Index: content/renderer/accessibility/blink_ax_enum_conversion.cc
diff --git a/content/renderer/accessibility/blink_ax_enum_conversion.cc b/content/renderer/accessibility/blink_ax_enum_conversion.cc
index 10e23889843115d8c11b0d55937c94832570461d..fcc55a94f24a7801bdcc82bb1ad11fc850ab6e4b 100644
--- a/content/renderer/accessibility/blink_ax_enum_conversion.cc
+++ b/content/renderer/accessibility/blink_ax_enum_conversion.cc
@@ -393,13 +393,13 @@ ui::AXTextDirection AXTextDirectionFromBlink(
     blink::WebAXTextDirection text_direction) {
   switch (text_direction) {
     case blink::WebAXTextDirectionLR:
-      return ui::AX_TEXT_DIRECTION_LR;
+      return ui::AX_TEXT_DIRECTION_LTR;
     case blink::WebAXTextDirectionRL:
-      return ui::AX_TEXT_DIRECTION_RL;
+      return ui::AX_TEXT_DIRECTION_RTL;
     case blink::WebAXTextDirectionTB:
-      return ui::AX_TEXT_DIRECTION_TB;
+      return ui::AX_TEXT_DIRECTION_TTB;
     case blink::WebAXTextDirectionBT:
-      return ui::AX_TEXT_DIRECTION_BT;
+      return ui::AX_TEXT_DIRECTION_BTT;
     default:
       NOTREACHED();
   }
@@ -407,6 +407,19 @@ ui::AXTextDirection AXTextDirectionFromBlink(
   return ui::AX_TEXT_DIRECTION_NONE;
 }
 
+ui::AXTextStyle AXTextStyleFromBlink(blink::WebAXTextStyle text_style) {
+  unsigned int browser_text_style = ui::AX_TEXT_STYLE_NONE;
+  if (text_style & blink::WebAXTextStyleBold)
+    browser_text_style |= ui::AX_TEXT_STYLE_BOLD;
+  if (text_style & blink::WebAXTextStyleItalic)
+    browser_text_style |= ui::AX_TEXT_STYLE_ITALIC;
+  if (text_style & blink::WebAXTextStyleUnderline)
+    browser_text_style |= ui::AX_TEXT_STYLE_UNDERLINE;
+  if (text_style & blink::WebAXTextStyleLineThrough)
+    browser_text_style |= ui::AX_TEXT_STYLE_LINE_THROUGH;
+  return static_cast<ui::AXTextStyle>(browser_text_style);
+}
+
 ui::AXInvalidState AXInvalidStateFromBlink(
     blink::WebAXInvalidState invalid_state) {
   switch (invalid_state) {