Expose InlineTextBoxes in the accessibility tree.

Source/core/accessibility/AXObjectCache.h

Index: Source/core/accessibility/AXObjectCache.h
diff --git a/Source/core/accessibility/AXObjectCache.h b/Source/core/accessibility/AXObjectCache.h
index 3e37eb997d9c94e5f161d60d8b974ac92ef57983..3a654bbdee07f2106ec09a1520216e8c37d44f3c 100644
--- a/Source/core/accessibility/AXObjectCache.h
+++ b/Source/core/accessibility/AXObjectCache.h
@@ -37,6 +37,7 @@ namespace WebCore {
 
 class Document;
 class HTMLAreaElement;
+class InlineTextBox;
 class Node;
 class Page;
 class RenderObject;
@@ -87,6 +88,7 @@ public:
     AccessibilityObject* getOrCreate(RenderObject*);
     AccessibilityObject* getOrCreate(Widget*);
     AccessibilityObject* getOrCreate(Node*);
+    AccessibilityObject* getOrCreate(InlineTextBox*);
 
     // used for objects without backing elements
     AccessibilityObject* getOrCreate(AccessibilityRole);
@@ -95,10 +97,12 @@ public:
     AccessibilityObject* get(RenderObject*);
     AccessibilityObject* get(Widget*);
     AccessibilityObject* get(Node*);
+    AccessibilityObject* get(InlineTextBox*);
 
     void remove(RenderObject*);
     void remove(Node*);
     void remove(Widget*);
+    void remove(InlineTextBox*);
     void remove(AXID);
 
     void detachWrapper(AccessibilityObject*);
@@ -129,9 +133,13 @@ public:
 #if HAVE(ACCESSIBILITY)
     static void enableAccessibility() { gAccessibilityEnabled = true; }
     static bool accessibilityEnabled() { return gAccessibilityEnabled; }
+    static void setInlineTextBoxAccessibility(bool flag) { gInlineTextBoxAccessibility = flag; }
+    static bool inlineTextBoxAccessibility() { return gInlineTextBoxAccessibility; }
 #else
     static void enableAccessibility() { }
+    static void setInlineTextBoxAccessibility(bool) { }
     static bool accessibilityEnabled() { return false; }
+    static bool inlineTextBoxAccessibility() { return false; }
 #endif
 
     void removeAXID(AccessibilityObject*);
@@ -205,9 +213,11 @@ private:
     HashMap<RenderObject*, AXID> m_renderObjectMapping;
     HashMap<Widget*, AXID> m_widgetObjectMapping;
     HashMap<Node*, AXID> m_nodeObjectMapping;
+    HashMap<InlineTextBox*, AXID> m_inlineTextBoxObjectMapping;
     HashSet<Node*> m_textMarkerNodes;
     OwnPtr<AXComputedObjectAttributeCache> m_computedObjectAttributeCache;
     static bool gAccessibilityEnabled;
+    static bool gInlineTextBoxAccessibility;
 
     HashSet<AXID> m_idsInUse;
 
@@ -233,10 +243,12 @@ inline AccessibilityObject* AXObjectCache::focusedUIElementForPage(const Page*)
 inline AccessibilityObject* AXObjectCache::get(RenderObject*) { return 0; }
 inline AccessibilityObject* AXObjectCache::get(Node*) { return 0; }
 inline AccessibilityObject* AXObjectCache::get(Widget*) { return 0; }
+inline AccessibilityObject* AXObjectCache::get(InlineTextBox*) { return 0; }
 inline AccessibilityObject* AXObjectCache::getOrCreate(AccessibilityRole) { return 0; }
 inline AccessibilityObject* AXObjectCache::getOrCreate(RenderObject*) { return 0; }
 inline AccessibilityObject* AXObjectCache::getOrCreate(Node*) { return 0; }
 inline AccessibilityObject* AXObjectCache::getOrCreate(Widget*) { return 0; }
+inline AccessibilityObject* AXObjectCache::getOrCreate(InlineTextBox*) { return 0; }
 inline AccessibilityObject* AXObjectCache::rootObject() { return 0; }
 inline Element* AXObjectCache::rootAXEditableElement(Node*) { return 0; }
 inline bool nodeHasRole(Node*, const String&) { return false; }
@@ -272,6 +284,7 @@ inline void AXObjectCache::remove(AXID) { }
 inline void AXObjectCache::remove(RenderObject*) { }
 inline void AXObjectCache::remove(Node*) { }
 inline void AXObjectCache::remove(Widget*) { }
+inline void AXObjectCache::remove(InlineTextBox*) { }
 inline void AXObjectCache::selectedChildrenChanged(RenderObject*) { }
 inline void AXObjectCache::selectedChildrenChanged(Node*) { }
 #endif