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

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 1b4302a0f7ef389641b05e78f0c8fd4c729e0140..3be1f7dcb772543501ea96ba8a00ae47703c08b5 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -400,6 +400,10 @@ extern const char kDisablePluginPowerSaver[];
 extern const char kEnablePluginPowerSaver[];
 #endif
 
+#if defined(ENABLE_TASK_MANAGER)
+extern const char kEnableNewTaskManager[];
+#endif  // defined(ENABLE_TASK_MANAGER)
+
 bool AboutInSettingsEnabled();
 bool MdDownloadsEnabled();
 bool MdSettingsEnabled();
@@ -411,6 +415,10 @@ bool SettingsWindowEnabled();
 bool PowerOverlayEnabled();
 #endif
 
+#if defined(ENABLE_TASK_MANAGER)
+bool NewTaskManagerEnabled();
+#endif  // defined(ENABLE_TASK_MANAGER)
+
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).