Not allowing user to type more chars than max length value for text field.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 17bde5bdd4ae45c356acc605f9ff09f0ca355b65..7813379f4981b0333ecb34783235aaa961f0c78d 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -1157,8 +1157,9 @@ IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
 // Message sent from renderer to the browser when focus changes inside the
 // webpage. The parameter says whether the newly focused element needs
 // keyboard input (true for textfields, text areas and content editable divs).
-IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeChanged,
-    bool /* is_editable_node */)
+IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
+                    bool /* is_editable_node */,
+                    int /*editable_node_max_length*/)
 
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)