Send idle notifications to V8 after commit

content/public/common/content_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 "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 667 matching lines @@
 const char kRendererStartupDialog[]         = "renderer-startup-dialog";
 
 // Causes the process to run as a sandbox IPC subprocess.
 const char kSandboxIPCProcess[]             = "sandbox-ipc";
 
 // Enables or disables scroll end effect in response to vertical overscroll.
 // Set the value to '1' to enable the feature, and set to '0' to disable.
 // Defaults to disabled.
 const char kScrollEndEffect[] = "scroll-end-effect";
 
+// Send a notification from RenderWidgetCompositor to V8 to do idle work
+// (e.g. garbage collection) after the commit until the beginning of the next
+// frame.  This moves the work off the critical path where compositor is waiting
+// for the main thread. The flag is experimental until the implementation of the
+// V8 idle handler is completed.
+const char kSendV8IdleNotificationAfterCommit[] =
+    "send-v8-idle-notification-after-commit";
+
 // Visibly render a border around paint rects in the web page to help debug
 // and study painting behavior.
 const char kShowPaintRects[]                = "show-paint-rects";
 
 // Runs the renderer and plugins in the same process as the browser
 const char kSingleProcess[]                 = "single-process";
 
 // Experimentally enforces a one-site-per-process security policy.
 // All cross-site navigations force process swaps, and we can restrict a
 // renderer process's access rights based on its site.  For details, see:
@@ skipping 217 matching lines @@
 // Enable the Win32K process mitigation policy for renderer processes which
 // prevents them from invoking user32 and gdi32 system calls which enter
 // the kernel. This is only supported on Windows 8 and beyond.
 const char kEnableWin32kRendererLockDown[]
     = "enable_win32k_renderer_lockdown";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches