Remove the old task manager view

chrome/browser/ui/cocoa/task_manager_mac.mm

Index: chrome/browser/ui/cocoa/task_manager_mac.mm
diff --git a/chrome/browser/ui/cocoa/task_manager_mac.mm b/chrome/browser/ui/cocoa/task_manager_mac.mm
index fd8cb4da0ba2de2fedc7ed1786c9d1c008cc7d8c..602c340af1525fc227eb2596a99b2c441ed18eb6 100644
--- a/chrome/browser/ui/cocoa/task_manager_mac.mm
+++ b/chrome/browser/ui/cocoa/task_manager_mac.mm
@@ -13,6 +13,7 @@
 #include "base/macros.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/task_management/task_manager_interface.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #import "chrome/browser/ui/cocoa/window_size_autosaver.h"
@@ -413,7 +414,7 @@ class SortHelper {
   }
 
   bool enabled = [selection count] > 0 && !selectionContainsBrowserProcess &&
-    TaskManager::IsEndProcessEnabled();
+    task_management::TaskManagerInterface::IsEndProcessEnabled();
   [endProcessButton_ setEnabled:enabled];
 }