Implemented the reporting of text style and language information on Windows.

content/browser/accessibility/browser_accessibility.cc

Index: content/browser/accessibility/browser_accessibility.cc
diff --git a/content/browser/accessibility/browser_accessibility.cc b/content/browser/accessibility/browser_accessibility.cc
index 7bb165b62668ca110bd4bb4a272e67d45329ef66..7bf09ccfcf738954df61f87e0dbcb5151e5a0dbd 100644
--- a/content/browser/accessibility/browser_accessibility.cc
+++ b/content/browser/accessibility/browser_accessibility.cc
@@ -230,8 +230,9 @@ BrowserAccessibility* BrowserAccessibility::InternalGetChild(
 }
 
 BrowserAccessibility* BrowserAccessibility::GetParent() const {
-  if (!node_ || !manager_)
-    return NULL;
+  if (!instance_active())
+    return nullptr;
+
   ui::AXNode* parent = node_->parent();
   if (parent)
     return manager_->GetFromAXNode(parent);
@@ -362,8 +363,8 @@ gfx::Rect BrowserAccessibility::GetLocalBoundsForRange(int start, int len)
     int local_end = overlap_end - child_start;
 
     gfx::Rect child_rect = child->GetLocation();
-    int text_direction = child->GetIntAttribute(
-        ui::AX_ATTR_TEXT_DIRECTION);
+    auto text_direction = static_cast<ui::AXTextDirection>(
+        child->GetIntAttribute(ui::AX_ATTR_TEXT_DIRECTION));
     const std::vector<int32_t>& character_offsets =
         child->GetIntListAttribute(ui::AX_ATTR_CHARACTER_OFFSETS);
     int start_pixel_offset =
@@ -631,6 +632,66 @@ bool BrowserAccessibility::GetFloatAttribute(
   return GetData().GetFloatAttribute(attribute, value);
 }
 
+bool BrowserAccessibility::HasInheritedStringAttribute(
+    ui::AXStringAttribute attribute) const {
+  if (!instance_active())
+    return false;
+
+  if (GetData().HasStringAttribute(attribute))
+    return true;
+  return GetParent() && GetParent()->HasInheritedStringAttribute(attribute);
+}
+
+std::string BrowserAccessibility::GetInheritedStringAttribute(
+    ui::AXStringAttribute attribute) const {
+  if (!instance_active())
+    return std::string();
+
+  std::string value;
+  if (GetInheritedStringAttribute(attribute, &value))
+    return value;
+  return std::string();
+}
+
+bool BrowserAccessibility::GetInheritedStringAttribute(
+    ui::AXStringAttribute attribute,
+    std::string* value) const {
+  if (!instance_active()) {
+    *value = std::string();
+    return false;
+  }
+
+  if (GetData().GetStringAttribute(attribute, value))
+    return true;
+  return GetParent() &&
+         GetParent()->GetData().GetStringAttribute(attribute, value);
+}
+
+base::string16 BrowserAccessibility::GetInheritedString16Attribute(
+    ui::AXStringAttribute attribute) const {
+  if (!instance_active())
+    return base::string16();
+
+  base::string16 value;
+  if (GetInheritedString16Attribute(attribute, &value))
+    return value;
+  return base::string16();
+}
+
+bool BrowserAccessibility::GetInheritedString16Attribute(
+    ui::AXStringAttribute attribute,
+    base::string16* value) const {
+  if (!instance_active()) {
+    *value = base::string16();
+    return false;
+  }
+
+  if (GetData().GetString16Attribute(attribute, value))
+    return true;
+  return GetParent() &&
+         GetParent()->GetData().GetString16Attribute(attribute, value);
+}
+
 bool BrowserAccessibility::HasIntAttribute(
     ui::AXIntAttribute attribute) const {
   return GetData().HasIntAttribute(attribute);
@@ -849,6 +910,21 @@ base::string16 BrowserAccessibility::GetInnerText() const {
   return text;
 }
 
+// static
+// TODO(nektar): Figure out if there is an existing Skia function to use

[dmazzoni, 2016/03/07 23:38:10]

You can use SkColorGetR, etc. from SkColor.h

+// instead.
+void BrowserAccessibility::RGBAToColorValues(unsigned int color,
+                                             unsigned int* red,
+                                             unsigned int* green,
+                                             unsigned int* blue,
+                                             unsigned int* alpha) {
+  DCHECK(red && green && blue && alpha);
+  *alpha = (color >> 24) & 0xFF;
+  *red = (color >> 16) & 0xFF;
+  *green = (color >> 8) & 0xFF;
+  *blue = color & 0xFF;
+}
+
 void BrowserAccessibility::FixEmptyBounds(gfx::Rect* bounds) const
 {
   if (bounds->width() > 0 && bounds->height() > 0)