diff --git a/content/base/public/nsITextContent.h b/content/base/public/nsITextContent.h
index ae2bc6449e2f..41fabc50d022 100644
--- a/content/base/public/nsITextContent.h
+++ b/content/base/public/nsITextContent.h
@@ -41,6 +41,16 @@ public:
   NS_IMETHOD GetText(const nsTextFragment*& aFragmentsResult,
                      PRInt32& aNumFragmentsResult) = 0;
 
+  /**
+   * Get the length of the text content.
+   */
+  NS_IMETHOD GetTextLength(PRInt32* aLengthResult) = 0;
+
+  /**
+   * Make a copy of the text content in aResult.
+   */
+  NS_IMETHOD CopyText(nsString& aResult) = 0;
+
   /**
    * Set the text to the given value. If aNotify is PR_TRUE then
    * the document is notified of the content change.
diff --git a/layout/base/public/nsITextContent.h b/layout/base/public/nsITextContent.h
index ae2bc6449e2f..41fabc50d022 100644
--- a/layout/base/public/nsITextContent.h
+++ b/layout/base/public/nsITextContent.h
@@ -41,6 +41,16 @@ public:
   NS_IMETHOD GetText(const nsTextFragment*& aFragmentsResult,
                      PRInt32& aNumFragmentsResult) = 0;
 
+  /**
+   * Get the length of the text content.
+   */
+  NS_IMETHOD GetTextLength(PRInt32* aLengthResult) = 0;
+
+  /**
+   * Make a copy of the text content in aResult.
+   */
+  NS_IMETHOD CopyText(nsString& aResult) = 0;
+
   /**
    * Set the text to the given value. If aNotify is PR_TRUE then
    * the document is notified of the content change.