Native Android accessibility.

content/browser/accessibility/browser_accessibility_manager.h

Index: content/browser/accessibility/browser_accessibility_manager.h
diff --git a/content/browser/accessibility/browser_accessibility_manager.h b/content/browser/accessibility/browser_accessibility_manager.h
index ec1df1b8722e56f5735bff660c13dd779fa109d9..2d3c9e0fa9252909712f9ef45949f3160c781e94 100644
--- a/content/browser/accessibility/browser_accessibility_manager.h
+++ b/content/browser/accessibility/browser_accessibility_manager.h
@@ -137,6 +137,10 @@ class CONTENT_EXPORT BrowserAccessibilityManager {
   // focus event on a text box?
   bool IsOSKAllowed(const gfx::Rect& bounds);
 
+  // True by default, but some platforms want to treat the root
+  // scroll offsets separately.
+  virtual bool UseRootScrollOffsetsWhenComputingBounds();
+
   // For testing only: update the given nodes as if they were
   // received from the renderer process in OnAccessibilityNotifications.
   // Takes up to 7 nodes at once so tests don't need to create a vector
@@ -158,6 +162,8 @@ class CONTENT_EXPORT BrowserAccessibilityManager {
 
   virtual void AddNodeToMap(BrowserAccessibility* node);
 
+  virtual void NotifyRootChanged() {}
+
  private:
   // The following states keep track of whether or not the
   // on-screen keyboard is allowed to be shown.
@@ -189,6 +195,8 @@ class CONTENT_EXPORT BrowserAccessibilityManager {
   // process. Returns true on success, false on fatal error.
   bool UpdateNode(const AccessibilityNodeData& src);
 
+  void SetRoot(BrowserAccessibility* root);
+
   BrowserAccessibility* CreateNode(
       BrowserAccessibility* parent,
       int32 renderer_id,