Move tab functions off Browser into browser_tabstrip and browser_tabrestore.

chrome/browser/ui/toolbar/wrench_menu_model.cc

Index: chrome/browser/ui/toolbar/wrench_menu_model.cc
===================================================================
--- chrome/browser/ui/toolbar/wrench_menu_model.cc	(revision 145001)
+++ chrome/browser/ui/toolbar/wrench_menu_model.cc	(working copy)
@@ -27,6 +27,7 @@
 #include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "chrome/browser/ui/global_error/global_error_service.h"
@@ -110,7 +111,7 @@
 }
 
 bool EncodingMenuModel::IsCommandIdChecked(int command_id) const {
-  WebContents* current_tab = browser_->GetActiveWebContents();
+  WebContents* current_tab = chrome::GetActiveWebContents(browser_);
   if (!current_tab)
     return false;
   EncodingMenuController controller;
@@ -612,8 +613,8 @@
   bool enable_increment = false;
   bool enable_decrement = false;
   int zoom_percent = 100;
-  if (browser_->GetActiveWebContents()) {
-    zoom_percent = browser_->GetActiveWebContents()->GetZoomPercent(
+  if (chrome::GetActiveWebContents(browser_)) {
+    zoom_percent = chrome::GetActiveWebContents(browser_)->GetZoomPercent(
         &enable_increment, &enable_decrement);
   }
   zoom_label_ = l10n_util::GetStringFUTF16(