Remove the old task manager view

chrome/browser/task_manager/task_manager.h

Index: chrome/browser/task_manager/task_manager.h
diff --git a/chrome/browser/task_manager/task_manager.h b/chrome/browser/task_manager/task_manager.h
index 464637e9b78baae32a3ba8d9fbaef5efcedd7ffe..3852a47f685c9357869cd0278bfc24b64c496093 100644
--- a/chrome/browser/task_manager/task_manager.h
+++ b/chrome/browser/task_manager/task_manager.h
@@ -24,6 +24,18 @@
 #include "gpu/ipc/common/memory_stats.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 
+// -----------------------------------------------------------------------------
+// DEPRECATED:
+// - This is currently enabled only on MacOSX, and will be removed soon (See
+//   crbug.com/528486).
+// - Please don't add any new stuff here. See the new implementation in
+//   //src/chrome/browser/task_management.
+// -----------------------------------------------------------------------------
+#if !defined(OS_MACOSX)
+#error "The old task manager is deprecated on non-macos platforms."
+#endif  // defined(OS_MACOSX)
+
+
 class PrefRegistrySimple;
 class PrivateWorkingSetSnapshot;
 class TaskManagerModel;
@@ -52,10 +64,9 @@ class URLRequest;
 // This class is a singleton.
 class TaskManager {
  public:
-  static void RegisterPrefs(PrefRegistrySimple* registry);
-
-  // Returns true if the user is allowed to end processes.
-  static bool IsEndProcessEnabled();
+  // On Mac, if the views toolkit is enabled, the new implementation of the task
+  // manager backend (in task_management/) will be used.
+  static bool NewTaskManagerEnabled();
 
   // Returns true if the process at the specified index is the browser process.
   bool IsBrowserProcess(int index) const;