Rename AXObject to AXObjectImpl in modules/ and web/

third_party/WebKit/Source/modules/accessibility/AXTableRow.h

Index: third_party/WebKit/Source/modules/accessibility/AXTableRow.h
diff --git a/third_party/WebKit/Source/modules/accessibility/AXTableRow.h b/third_party/WebKit/Source/modules/accessibility/AXTableRow.h
index 279572db296592cb65a00bdb1681fde7a6a933cc..6caef64f3e0ac46297f822ea49d09af3051eb787 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXTableRow.h
+++ b/third_party/WebKit/Source/modules/accessibility/AXTableRow.h
@@ -49,11 +49,11 @@ class MODULES_EXPORT AXTableRow : public AXLayoutObject {
   bool IsTableRow() const final;
 
   // retrieves the "row" header (a th tag in the rightmost column)
-  virtual AXObject* HeaderObject();
+  virtual AXObjectImpl* HeaderObject();
   // Retrieves the "row" headers (th, scope) from left to right for the each
   // row.
   virtual void HeaderObjectsForRow(AXObjectVector&);
-  AXObject* ParentTable() const;
+  AXObjectImpl* ParentTable() const;
 
   void SetRowIndex(int row_index) { row_index_ = row_index; }
   int RowIndex() const { return row_index_; }