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

ui/accessibility/ax_enums.idl

 // Copyright 2014 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.
 
 // These should be kept in sync with third_party/WebKit/public/web/WebAXEnums.h
 // until the Chromium and Blink trees are merged.
 [camel_case_enum_to_string=true] namespace ui {
 
   // For new entries to the following three enums, also add to
   // chrome/common/extensions/api/automation.idl.
@@ skipping 281 matching lines @@
     table_cell_row_span,
     sort_direction,
 
     // Tree control attributes.
     hierarchical_level,
 
     // Relationships between this element and other elements.
     title_ui_element,
     activedescendant_id,
 
-    // Color value for AX_ROLE_COLOR_WELL, each component is 0..255
-    color_value_red,
-    color_value_green,
-    color_value_blue,
-
-    // Inline text attributes.
-    text_direction,
-
     // Uniquely identifies an AXTree.
     tree_id,
 
     // Identifies a child tree which this node hosts.
     child_tree_id,
 
     // Position or Number of items in current set of listitems or treeitems
     set_size,
     pos_in_set,
 
+    // In the case of AX_ROLE_COLOR_WELL, specifies the selected color.
+    color_value,
+
+
+    // Text attributes.
+
+    // Foreground and background color in RGBA.
+    background_color,
+    color,
+
     // Indicates if a form control has invalid input or
     // if an element has an aria-invalid attribute.
-    invalid_state
+    invalid_state,
+
+    // Specifies the direction of the text, e.g., right-to-left.
+    text_direction,
+
+    // Bold, italic, underline, etc.
+    text_style
   };
 
   [cpp_enum_prefix_override="ax_attr"] enum AXFloatAttribute {
     // Document attributes.
     doc_loading_progress,
 
     // Range attributes.
     value_for_range,
     min_value_for_range,
-    max_value_for_range
+    max_value_for_range,
+
+    // Text attributes.
+    // Font size is in pixels.
+    font_size
   };
 
   [cpp_enum_prefix_override="ax_attr"] enum AXBoolAttribute {
     // Document attributes.
     doc_loaded,
 
     // True if a checkbox or radio button is in the "mixed" state.
     button_mixed,
 
     // Live region attributes.
@@ skipping 59 matching lines @@
     // of the second character, and so on.
     character_offsets,
 
     // For inline text. These int lists must be the same size; they represent
     // the start and end character index of each word within this text.
     word_starts,
     word_ends
   };
 
   [cpp_enum_prefix_override="ax"] enum AXTextDirection {
-    text_direction_lr,
-    text_direction_rl,
-    text_direction_tb,
-    text_direction_bt
+    text_direction_ltr,
+    text_direction_rtl,
+    text_direction_ttb,
+    text_direction_btt
+  };
+
+  [cpp_enum_prefix_override="ax"] enum AXTextStyle {
+    text_style_bold,
+    text_style_italic,
+    text_style_underline,
+    text_style_line_through
   };
 
   [cpp_enum_prefix_override="ax"] enum AXInvalidState {
     invalid_state_false,
     invalid_state_true,
     invalid_state_spelling,
     invalid_state_grammar,
     invalid_state_other
   };
 
   [cpp_enum_prefix_override="ax"] enum AXSortDirection {
     sort_direction_unsorted,
     sort_direction_ascending,
     sort_direction_descending,
     sort_direction_other
   };
 
 };