Remove the old task manager view

chrome/browser/task_manager/task_manager.cc

Index: chrome/browser/task_manager/task_manager.cc
diff --git a/chrome/browser/task_manager/task_manager.cc b/chrome/browser/task_manager/task_manager.cc
index 95fdb0a0dd4817a00c0f652fd806f1a5b11757b4..f2163f606664e63e4f66908f526c96e49cdf67f4 100644
--- a/chrome/browser/task_manager/task_manager.cc
+++ b/chrome/browser/task_manager/task_manager.cc
@@ -32,15 +32,14 @@
 #include "chrome/browser/task_manager/resource_provider.h"
 #include "chrome/browser/task_manager/tab_contents_information.h"
 #include "chrome/browser/task_manager/web_contents_resource_provider.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/user_manager.h"
-#include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/nacl/browser/nacl_browser.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/pref_service.h"
+#include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/gpu_data_manager.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
@@ -57,10 +56,6 @@
 #include "ui/gfx/image/image_skia.h"
 #include "ui/resources/grit/ui_resources.h"
 
-#if defined(OS_MACOSX)
-#include "content/public/browser/browser_child_process_host.h"
-#endif
-
 using content::BrowserThread;
 using content::ResourceRequestInfo;
 using content::WebContents;
@@ -1503,20 +1498,10 @@ Resource* TaskManagerModel::GetResource(int index) const {
 ////////////////////////////////////////////////////////////////////////////////
 // TaskManager class
 ////////////////////////////////////////////////////////////////////////////////
-// static
-void TaskManager::RegisterPrefs(PrefRegistrySimple* registry) {
-  registry->RegisterDictionaryPref(prefs::kTaskManagerWindowPlacement);
-  registry->RegisterDictionaryPref(prefs::kTaskManagerColumnVisibility);
-  registry->RegisterBooleanPref(prefs::kTaskManagerEndProcessEnabled, true);
-}
 
 // static
-bool TaskManager::IsEndProcessEnabled() {
-  if (g_browser_process->local_state()) {
-    return g_browser_process->local_state()->GetBoolean(
-        prefs::kTaskManagerEndProcessEnabled);
-  }
-  return true;
+bool TaskManager::NewTaskManagerEnabled() {
+  return chrome::ToolkitViewsDialogsEnabled();
 }
 
 bool TaskManager::IsBrowserProcess(int index) const {