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

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 5ec471dd1bf70a94c2e921f13f338be92b376a11..6de497123bee43b8e71b5de516329206c145ea45 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -1048,12 +1048,24 @@ class Browser : public TabHandlerDelegate,
   void ReloadInternal(WindowOpenDisposition disposition, bool ignore_cache);
 
   // Return true if the window dispositions means opening a new tab.
-  bool ShouldOpenNewTabForWindowDisposition(WindowOpenDisposition disposition);
+  //
+  bool ShouldOpenNewTabForDisposition(WindowOpenDisposition disposition);
 
   // Depending on the disposition, return the current tab or a clone of the
   // current tab.
   TabContents* GetOrCloneTabForDisposition(WindowOpenDisposition disposition);
 
+  // Depending on the disposition, return the wrapper containing the current
+  // tab or a clone of the current tab.
+  TabContentsWrapper* GetOrCloneTabWrapperForDisposition(
+      WindowOpenDisposition disposition);
+
+  // Depending on the disposition, create a new browser.
+  // When disposition is NEW_WINDOW, |tab_contents| will be added to
+  // a new browser which is created in this method.
+  void CreateNewBrowserForDisposition(TabContentsWrapper* tab_contents,
+                                      WindowOpenDisposition disposition);
+
   // Sets the insertion policy of the tabstrip based on whether vertical tabs
   // are enabled.
   void UpdateTabStripModelInsertionPolicy();