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

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 2039ce8b3420c8ffb0531121d9b3b887d36ffd67..be4a4a96b10b8f62b4e39bd3581fdc1adaf5b276 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -472,6 +472,9 @@ 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";
 
@@ -1368,6 +1371,13 @@ bool MediaRouterEnabled() {
       ::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;