added CTRL+Click and SHIFT+Click handler for context menu, Back and Forward.

chrome/browser/ui/views/event_utils.h

Index: chrome/browser/ui/views/event_utils.h
diff --git a/chrome/browser/ui/views/event_utils.h b/chrome/browser/ui/views/event_utils.h
index 9d37c531025bbe033980862b1004c92b5b3a7ccc..d54a74e2e59c76599657c0695f51ceac7f7505a3 100644
--- a/chrome/browser/ui/views/event_utils.h
+++ b/chrome/browser/ui/views/event_utils.h
@@ -14,11 +14,6 @@ class MouseEvent;
 
 namespace event_utils {
 
-// Translates event flags into what kind of disposition they represents.
-// For example, a middle click would mean to open a background tab.
-// event_flags are the flags as understood by views::MouseEvent.
-WindowOpenDisposition DispositionFromEventFlags(int event_flags);
-
 // Returns true if the specified mouse event may have a
 // WindowOptionDisposition.
 bool IsPossibleDispositionEvent(const views::MouseEvent& event);