Remove base/win/metro.{cc|h} and some associated code

chrome/browser/platform_util_win.cc

Index: chrome/browser/platform_util_win.cc
diff --git a/chrome/browser/platform_util_win.cc b/chrome/browser/platform_util_win.cc
index 967ad9f3c3a63fa8c6bafa2797625b9b79160b0f..0aad227d9051905aa4bc8312137e3cf77b8a0739 100644
--- a/chrome/browser/platform_util_win.cc
+++ b/chrome/browser/platform_util_win.cc
@@ -188,16 +188,9 @@ void OpenItemViaShellInUtilityProcess(const base::FilePath& full_path,
   }
 }
 
-void ActivateDesktopIfNecessary() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH)
-    chrome::ActivateDesktopHelper(chrome::ASH_KEEP_RUNNING);
-}
-
 }  // namespace
 
 void ShowItemInFolder(Profile* profile, const base::FilePath& full_path) {
-  ActivateDesktopIfNecessary();
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&ShowItemInFolderOnFileThread, full_path));
 }
@@ -205,9 +198,6 @@ void ShowItemInFolder(Profile* profile, const base::FilePath& full_path) {
 namespace internal {
 
 void PlatformOpenVerifiedItem(const base::FilePath& path, OpenItemType type) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                          base::Bind(&ActivateDesktopIfNecessary));
-
   if (base::FieldTrialList::FindFullName("IsolateShellOperations") ==
       "Enabled") {
     BrowserThread::PostTask(
@@ -231,10 +221,6 @@ void PlatformOpenVerifiedItem(const base::FilePath& path, OpenItemType type) {
 void OpenExternal(Profile* profile, const GURL& url) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH &&
-      !url.SchemeIsHTTPOrHTTPS())
-    chrome::ActivateDesktopHelper(chrome::ASH_KEEP_RUNNING);
-
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                           base::Bind(&OpenExternalOnFileThread, url));
 }