Removes win8_util

chrome/browser/ui/views/hung_renderer_view_win.cc

-// Copyright (c) 2012 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/ui/views/hung_renderer_view_win.h"
-
-#include "base/win/metro.h"
-#include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
-#include "chrome/browser/ui/views/hung_renderer_view.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_process_host.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "win8/util/win8_util.h"
-
-// Metro functions for displaying and dismissing a dialog box.
-typedef void (*MetroShowDialogBox)(
-    const wchar_t* title,
-    const wchar_t* content,
-    const wchar_t* button1_label,
-    const wchar_t* button2_label,
-    base::win::MetroDialogButtonPressedHandler button1_handler,
-    base::win::MetroDialogButtonPressedHandler button2_handler);
-
-typedef void (*MetroDismissDialogBox)();
-
-using content::BrowserThread;
-using content::WebContents;
-
-HungRendererDialogMetro* HungRendererDialogMetro::g_instance_ = NULL;
-
-bool PlatformShowCustomHungRendererDialog(WebContents* contents) {
-  if (!win8::IsSingleWindowMetroMode())
-    return false;
-
-  HungRendererDialogMetro::Create()->Show(contents);
-  return true;
-}
-
-bool PlatformHideCustomHungRendererDialog(WebContents* contents) {
-  if (!win8::IsSingleWindowMetroMode())
-    return false;
-
-  if (HungRendererDialogMetro::GetInstance())
-    HungRendererDialogMetro::GetInstance()->Hide(contents);
-  return true;
-}
-
-// static
-void HungRendererDialogView::KillRendererProcess(
-    base::ProcessHandle process_handle) {
-  // Try to generate a crash report for the hung process.
-  CrashDumpAndTerminateHungChildProcess(process_handle);
-}
-
-// static
-HungRendererDialogMetro* HungRendererDialogMetro::Create() {
-  if (!GetInstance())
-    g_instance_ = new HungRendererDialogMetro;
-  return g_instance_;
-}
-
-// static
-HungRendererDialogMetro* HungRendererDialogMetro::GetInstance() {
-  return g_instance_;
-}
-
-HungRendererDialogMetro::HungRendererDialogMetro()
-    : contents_(NULL),
-      metro_dialog_displayed_(false) {
-}
-
-HungRendererDialogMetro::~HungRendererDialogMetro() {
-  g_instance_ = NULL;
-}
-
-void HungRendererDialogMetro::Show(WebContents* contents) {
-  if (!metro_dialog_displayed_ &&
-      HungRendererDialogView::IsFrameActive(contents)) {
-    HMODULE metro_dll = base::win::GetMetroModule();
-    DCHECK(metro_dll);
-    if (metro_dll) {
-      MetroShowDialogBox show_dialog_box = reinterpret_cast<MetroShowDialogBox>
-          (::GetProcAddress(metro_dll, "ShowDialogBox"));
-      DCHECK(show_dialog_box);
-      if (show_dialog_box) {
-        base::string16 dialog_box_title =
-            l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_TITLE);
-
-        base::string16 kill_button_label =
-            l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_END);
-
-        base::string16 wait_button_label =
-            l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT);
-
-        contents_ = contents;
-        metro_dialog_displayed_ = true;
-
-        (*show_dialog_box)(dialog_box_title.c_str(),
-                           contents->GetTitle().c_str(),
-                           kill_button_label.c_str(),
-                           wait_button_label.c_str(),
-                           HungRendererDialogMetro::OnMetroKillProcess,
-                           HungRendererDialogMetro::OnMetroWait);
-      }
-    }
-  }
-}
-
-void HungRendererDialogMetro::Hide(WebContents* contents) {
-  HMODULE metro_dll = base::win::GetMetroModule();
-  DCHECK(metro_dll);
-  if (metro_dll) {
-    MetroDismissDialogBox dismiss_dialog_box =
-        reinterpret_cast<MetroDismissDialogBox>
-            (::GetProcAddress(metro_dll, "DismissDialogBox"));
-    DCHECK(dismiss_dialog_box);
-    if (dismiss_dialog_box) {
-      (*dismiss_dialog_box)();
-      ResetMetroState();
-    }
-  }
-}
-
-void HungRendererDialogMetro::ResetMetroState() {
-  metro_dialog_displayed_ = false;
-  contents_ = NULL;
-  delete g_instance_;
-}
-
-// static
-void HungRendererDialogMetro::OnMetroKillProcess() {
-  // Metro chrome will invoke these handlers on the metro thread. Ensure that
-  // we switch to the UI thread.
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(HungRendererDialogMetro::OnMetroKillProcess));
-    return;
-  }
-
-  // Its possible that we got deleted in the meantime.
-  if (!GetInstance())
-    return;
-
-  DCHECK(GetInstance()->contents_);
-
-  HungRendererDialogView::KillRendererProcess(
-      GetInstance()->contents_->GetRenderProcessHost()->GetHandle());
-
-  // The metro dialog box is dismissed when the button handlers are invoked.
-  GetInstance()->ResetMetroState();
-}
-
-// static
-void HungRendererDialogMetro::OnMetroWait() {
-  // Metro chrome will invoke these handlers on the metro thread. Ensure that
-  // we switch to the UI thread.
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(HungRendererDialogMetro::OnMetroWait));
-    return;
-  }
-
-  // Its possible that we got deleted in the meantime.
-  if (!GetInstance())
-    return;
-
-  GetInstance()->ResetMetroState();
-}