Updating PageClickTracker to Notify listeners When Text Input Loses Focus.

chrome/renderer/page_click_listener.h

Index: chrome/renderer/page_click_listener.h
diff --git a/chrome/renderer/page_click_listener.h b/chrome/renderer/page_click_listener.h
index fca52c8825a09c4cb50346bb6fe80a81d30fba52..64ccca13fbf8909dd847810a41e25393da3d87af 100644
--- a/chrome/renderer/page_click_listener.h
+++ b/chrome/renderer/page_click_listener.h
@@ -23,6 +23,12 @@ class PageClickListener {
                                    bool was_focused,
                                    bool is_focused) = 0;
 
+  // If the previously focused element was an input field, listeners are
+  // informed that the text field has lost its focus.
+  // If this method returns true, the notification will not be propagated to
+  // other listeners.
+  virtual bool InputElementLostFocus() = 0;
+
  protected:
   virtual ~PageClickListener() {}
 };