Phase 3: Implement New Task Manager Flag in about:flags.

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 454 matching lines @@
 // for 10s, until the buffer is full, or until the next navigation.
 // It only works if a URL was provided by --trace-upload-url.
 const char kEnableNavigationTracing[] = "enable-navigation-tracing";
 
 // Enables the network-related benchmarking extensions.
 const char kEnableNetBenchmarking[]         = "enable-net-benchmarking";
 
 // Enables the new bookmark app system.
 const char kEnableNewBookmarkApps[]         = "enable-new-bookmark-apps";
 
+// Enables the new implementation of the task manager.
+const char kEnableNewTaskManager[]   = "enable-new-task-manager";
+
 // Enable auto-reload of error pages if offline.
 const char kEnableOfflineAutoReload[]       = "enable-offline-auto-reload";
 
 // Only auto-reload error pages when the tab is visible.
 const char kEnableOfflineAutoReloadVisibleOnly[] =
     "enable-offline-auto-reload-visible-only";
 
 // Enables panels (always on-top docked pop-up windows).
 const char kEnablePanels[]                  = "enable-panels";
 
@@ skipping 876 matching lines @@
 bool MdSettingsEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       ::switches::kEnableMaterialDesignSettings);
 }
 
 bool MediaRouterEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       ::switches::kEnableMediaRouter);
 }
 
+bool NewTaskManagerEnabled() {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableNewTaskManager))

[Lei Zhang, 2015/07/21 21:28:54]

Since you are not doing anything fancy, just:

return base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableNewTaskManager);

[afakhry, 2015/07/21 22:16:12]

Done.

+    return true;
+
+  return false;
+}
+
 bool PdfMaterialUIEnabled() {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kEnablePdfMaterialUI))
     return true;
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kDisablePdfMaterialUI))
     return false;
 
   // Default.
   return false;
 }
@@ skipping 17 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches