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

content/browser/accessibility/browser_accessibility_cocoa.mm

 // Copyright (c) 2012 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 <execinfo.h>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include <map>
 
@@ skipping 952 matching lines @@
   } else if ([role isEqualToString:NSAccessibilityProgressIndicatorRole] ||
              [role isEqualToString:NSAccessibilitySliderRole] ||
              [role isEqualToString:NSAccessibilityIncrementorRole] ||
              [role isEqualToString:NSAccessibilityScrollBarRole]) {
     float floatValue;
     if (browserAccessibility_->GetFloatAttribute(
             ui::AX_ATTR_VALUE_FOR_RANGE, &floatValue)) {
       return [NSNumber numberWithFloat:floatValue];
     }
   } else if ([role isEqualToString:NSAccessibilityColorWellRole]) {
-    int r = browserAccessibility_->GetIntAttribute(
-        ui::AX_ATTR_COLOR_VALUE_RED);
-    int g = browserAccessibility_->GetIntAttribute(
-        ui::AX_ATTR_COLOR_VALUE_GREEN);
-    int b = browserAccessibility_->GetIntAttribute(
-        ui::AX_ATTR_COLOR_VALUE_BLUE);
+    int color = browserAccessibility_->GetIntAttribute(
+        ui::AX_ATTR_COLOR_VALUE);
+    int red = (color >> 16) & 0xFF;
+    int green = (color >> 8) & 0xFF;
+    int blue = color & 0xFF;
     // This string matches the one returned by a native Mac color well.
     return [NSString stringWithFormat:@"rgb %7.5f %7.5f %7.5f 1",
-                r / 255., g / 255., b / 255.];
+                red / 255., green / 255., blue / 255.];
   }
 
   return NSStringForStringAttribute(
       browserAccessibility_, ui::AX_ATTR_VALUE);
 }
 
 - (NSString*)valueDescription {
   return NSStringForStringAttribute(
       browserAccessibility_, ui::AX_ATTR_VALUE);
 }
@@ skipping 670 matching lines @@
   if (!browserAccessibility_)
     return [super hash];
   return browserAccessibility_->GetId();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end