Revert r42156, r42157, r42160. Allow dynamic switching in and out of sidetabs...

chrome/browser/views/tabs/side_tab_strip.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/views/tabs/side_tab_strip.h"
 
 #include "app/gfx/canvas.h"
 #include "base/command_line.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/profile.h"
@@ skipping 20 matching lines @@
 void SideTabStrip::SetModel(SideTabStripModel* model) {
   model_.reset(model);
 }
 
 // static
 bool SideTabStrip::Available() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       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);
   Layout();
 }
 
 void SideTabStrip::RemoveTabAt(int index) {
   View* v = GetChildViewAt(index);
   RemoveChildView(v);
   delete v;
@@ skipping 24 matching lines @@
 }
 
 void SideTabStrip::SelectTab(SideTab* tab) {
   model_->SelectTab(GetIndexOfSideTab(tab));
 }
 
 void SideTabStrip::CloseTab(SideTab* tab) {
   model_->CloseTab(GetIndexOfSideTab(tab));
 }
 
-void SideTabStrip::ShowContextMenu(SideTab* tab, const gfx::Point& p) {
-  model_->ShowContextMenu(GetIndexOfSideTab(tab), p);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // SideTabStrip, BaseTabStrip implementation:
 
 int SideTabStrip::GetPreferredHeight() {
   return 0;
 }
 
 void SideTabStrip::SetBackgroundOffset(const gfx::Point& offset) {
 }
 
@@ skipping 45 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // SideTabStrip, private:
 
 int SideTabStrip::GetIndexOfSideTab(SideTab* tab) const {
   return GetChildIndex(tab);
 }
 
 SideTab* SideTabStrip::GetSideTabAt(int index) const {
   return static_cast<SideTab*>(GetChildViewAt(index));
 }