Decouple IsMetroProcess() calls, introducing IsSingleWindowMetroMode().

chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc

Index: chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc
diff --git a/chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc b/chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc
index 594800348572eb59e1f760ebe93b7ebac2fced2e..5d9bcd715424f761f833e837219d5ab038ae9d10 100644
--- a/chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc
+++ b/chrome/browser/ui/views/tab_contents/render_view_context_menu_win.cc
@@ -4,7 +4,6 @@
 
 #include "chrome/browser/ui/views/tab_contents/render_view_context_menu_win.h"
 
-#include "base/win/metro.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/retargeting_details.h"
@@ -12,6 +11,7 @@
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/web_contents.h"
+#include "win8/util/win8_util.h"
 
 using content::WebContents;
 
@@ -33,7 +33,7 @@ RenderViewContextMenuViews* RenderViewContextMenuViews::Create(
 
 bool RenderViewContextMenuWin::IsCommandIdVisible(int command_id) const {
   // In windows 8 metro mode no new window option on normal browser windows.
-  if (base::win::IsMetroProcess() && !profile_->IsOffTheRecord() &&
+  if (win8::IsSingleWindowMetroMode() && !profile_->IsOffTheRecord() &&
       command_id == IDC_CONTENT_CONTEXT_OPENLINKNEWWINDOW) {
     return false;
   }
@@ -46,7 +46,7 @@ void RenderViewContextMenuWin::ExecuteCommand(int command_id) {
 
 void RenderViewContextMenuWin::ExecuteCommand(int command_id,
                                               int event_flags) {
-  if (base::win::IsMetroProcess() &&
+  if (win8::IsSingleWindowMetroMode() &&
       command_id == IDC_CONTENT_CONTEXT_OPENLINKNEWWINDOW) {
     // The open link in new window command should only be enabled for
     // incognito windows in metro mode.