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

content/browser/accessibility/browser_accessibility.h

Index: content/browser/accessibility/browser_accessibility.h
diff --git a/content/browser/accessibility/browser_accessibility.h b/content/browser/accessibility/browser_accessibility.h
index edef50d8a9f80d73e7c36b040e30b57cefb6a4d9..20bccede7e9c6bbb0a741b359274b0ee40b07ce5 100644
--- a/content/browser/accessibility/browser_accessibility.h
+++ b/content/browser/accessibility/browser_accessibility.h
@@ -192,7 +192,7 @@ class CONTENT_EXPORT BrowserAccessibility {
   //
 
   BrowserAccessibilityManager* manager() const { return manager_; }
-  bool instance_active() const { return node_ != NULL; }
+  bool instance_active() const { return node_ && manager_; }
   ui::AXNode* node() const { return node_; }
 
   // These access the internal accessibility tree, which doesn't necessarily
@@ -254,6 +254,17 @@ class CONTENT_EXPORT BrowserAccessibility {
   float GetFloatAttribute(ui::AXFloatAttribute attr) const;
   bool GetFloatAttribute(ui::AXFloatAttribute attr, float* value) const;
 
+  bool HasInheritedStringAttribute(ui::AXStringAttribute attribute) const;
+  std::string GetInheritedStringAttribute(
+      ui::AXStringAttribute attribute) const;
+  bool GetInheritedStringAttribute(ui::AXStringAttribute attribute,
+                                   std::string* value) const;
+
+  bool GetInheritedString16Attribute(ui::AXStringAttribute attribute,
+                                     base::string16* value) const;
+  base::string16 GetInheritedString16Attribute(
+      ui::AXStringAttribute attribute) const;
+
   bool HasIntAttribute(ui::AXIntAttribute attribute) const;
   int GetIntAttribute(ui::AXIntAttribute attribute) const;
   bool GetIntAttribute(ui::AXIntAttribute attribute, int* value) const;
@@ -296,6 +307,8 @@ class CONTENT_EXPORT BrowserAccessibility {
                        bool* is_defined,
                        bool* is_mixed) const;
 
+  base::string16 GetFontFamily() const;
+  base::string16 GetLanguage() const;
   virtual base::string16 GetText() const;
 
   // Returns true if the bit corresponding to the given state enum is 1.
@@ -322,6 +335,12 @@ class CONTENT_EXPORT BrowserAccessibility {
  protected:
   BrowserAccessibility();
 
+  static void RGBAToColorValues(unsigned int color,
+                                unsigned int* red,
+                                unsigned int* green,
+                                unsigned int* blue,
+                                unsigned int* alpha);
+
   // The manager of this tree of accessibility objects.
   BrowserAccessibilityManager* manager_;