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

chrome/browser/chrome_select_file_dialog_factory_win.cc

 // Copyright 2014 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/chrome_select_file_dialog_factory_win.h"
 
 #include <Windows.h>
 #include <commdlg.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string16.h"
 #include "base/synchronization/waitable_event.h"
-#include "base/win/metro.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/utility_process_host_client.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/win/open_file_name_win.h"
 #include "ui/shell_dialogs/select_file_dialog_win.h"
 
 namespace {
 
-bool CallMetroOPENFILENAMEMethod(const char* method_name, OPENFILENAME* ofn) {
-  typedef BOOL (*MetroOPENFILENAMEMethod)(OPENFILENAME*);
-  MetroOPENFILENAMEMethod metro_method = NULL;
-  HMODULE metro_module = base::win::GetMetroModule();
-
-  if (metro_module != NULL) {
-    metro_method = reinterpret_cast<MetroOPENFILENAMEMethod>(
-        ::GetProcAddress(metro_module, method_name));
-  }
-
-  if (metro_method != NULL)
-    return metro_method(ofn) == TRUE;
-
-  NOTREACHED();
-
-  return false;
-}
-
 bool ShouldIsolateShellOperations() {
   return base::FieldTrialList::FindFullName("IsolateShellOperations") ==
          "Enabled";
 }
 
 // Receives the GetOpenFileName result from the utility process.
 class GetOpenFileNameClient : public content::UtilityProcessHostClient {
  public:
   GetOpenFileNameClient();
 
@@ skipping 106 matching lines @@
   client->WaitForCompletion();
 
   if (!client->filenames().size())
     return false;
 
   ui::win::OpenFileName::SetResult(
       client->directory(), client->filenames(), ofn);
   return true;
 }
 
-// Implements GetOpenFileName for CreateWinSelectFileDialog by delegating either
-// to Metro or a utility process.
+// Implements GetOpenFileName for CreateWinSelectFileDialog by delegating to a
+// utility process.
 bool GetOpenFileNameImpl(
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
     OPENFILENAME* ofn) {
-  if (base::win::IsMetroProcess())
-    return CallMetroOPENFILENAMEMethod("MetroGetOpenFileName", ofn);
-
   if (ShouldIsolateShellOperations())
     return GetOpenFileNameInUtilityProcess(blocking_task_runner, ofn);
 
   return ::GetOpenFileName(ofn) == TRUE;
 }
 
 class GetSaveFileNameClient : public content::UtilityProcessHostClient {
  public:
   GetSaveFileNameClient();
 
@@ skipping 111 matching lines @@
 
   if (client->path().empty())
     return false;
 
   base::wcslcpy(ofn->lpstrFile, client->path().value().c_str(), ofn->nMaxFile);
   ofn->nFilterIndex = client->one_based_filter_index();
 
   return true;
 }
 
-// Implements GetSaveFileName for CreateWinSelectFileDialog by delegating either
-// to Metro or a utility process.
+// Implements GetSaveFileName for CreateWinSelectFileDialog by delegating to a
+// utility process.
 bool GetSaveFileNameImpl(
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
     OPENFILENAME* ofn) {
-  if (base::win::IsMetroProcess())
-    return CallMetroOPENFILENAMEMethod("MetroGetSaveFileName", ofn);
-
   if (ShouldIsolateShellOperations())
     return GetSaveFileNameInUtilityProcess(blocking_task_runner, ofn);
 
   return ::GetSaveFileName(ofn) == TRUE;
 }
 
 }  // namespace
 
 ChromeSelectFileDialogFactory::ChromeSelectFileDialogFactory(
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner)
     : blocking_task_runner_(blocking_task_runner) {
 }
 
 ChromeSelectFileDialogFactory::~ChromeSelectFileDialogFactory() {}
 
 ui::SelectFileDialog* ChromeSelectFileDialogFactory::Create(
     ui::SelectFileDialog::Listener* listener,
     ui::SelectFilePolicy* policy) {
   return ui::CreateWinSelectFileDialog(
       listener,
       policy,
       base::Bind(GetOpenFileNameImpl, blocking_task_runner_),
       base::Bind(GetSaveFileNameImpl, blocking_task_runner_));
 }