Allow dynamic switching in and out of sidetabs mode.

chrome/browser/views/tabs/side_tab_strip.cc

Index: chrome/browser/views/tabs/side_tab_strip.cc
===================================================================
--- chrome/browser/views/tabs/side_tab_strip.cc	(revision 41630)
+++ chrome/browser/views/tabs/side_tab_strip.cc	(working copy)
@@ -38,12 +38,6 @@
       switches::kEnableVerticalTabs);
 }
 
-// static
-bool SideTabStrip::Visible(Profile* profile) {
-  return Available() &&
-      profile->GetPrefs()->GetBoolean(prefs::kUseVerticalTabs);
-}
-
 void SideTabStrip::AddTabAt(int index) {
   SideTab* tab = new SideTab(this);
   AddChildView(tab);
@@ -88,6 +82,10 @@
   model_->CloseTab(GetIndexOfSideTab(tab));
 }
 
+void SideTabStrip::ShowContextMenu(SideTab* tab, const gfx::Point& p) {
+  model_->ShowContextMenu(GetIndexOfSideTab(tab), p);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // SideTabStrip, BaseTabStrip implementation: