Cleanup of v8 extension stuff. Playback extension is only used in chrome, so move it to chrome\rend…

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
===================================================================
--- content/public/common/content_switches.cc	(revision 132793)
+++ content/public/common/content_switches.cc	(working copy)
@@ -421,23 +421,12 @@
 // Causes the process to run as a NativeClient loader.
 const char kNaClLoaderProcess[]             = "nacl-loader";
 
-// Support a separate switch that enables the v8 playback extension.
-// The extension causes javascript calls to Date.now() and Math.random()
-// to return consistent values, such that subsequent loads of the same
-// page will result in consistent js-generated data and XHR requests.
-// Pages may still be able to generate inconsistent data from plugins.
-const char kNoJsRandomness[]                = "no-js-randomness";
-
 // Don't send HTTP-Referer headers.
 const char kNoReferrers[]                   = "no-referrers";
 
 // Disables the sandbox for all process types that are normally sandboxed.
 const char kNoSandbox[]                     = "no-sandbox";
 
-// Read previously recorded data from the cache. Only cached data is read.
-// See kRecordMode.
-const char kPlaybackMode[]                  = "playback-mode";
-
 // Specifies a command that should be used to launch the plugin process.  Useful
 // for running the plugin process through purify or quantify.  Ex:
 //   --plugin-launcher="path\to\purify /Run=yes"
@@ -490,12 +479,6 @@
 // script connections to each other).
 const char kProcessPerTab[]                 = "process-per-tab";
 
-// Chrome supports a playback and record mode.  Record mode saves *everything*
-// to the cache.  Playback mode reads data exclusively from the cache.  This
-// allows us to record a session into the cache and then replay it at will.
-// See also kPlaybackMode.
-const char kRecordMode[]                    = "record-mode";
-
 // The value of this switch determines whether the process is started as a
 // renderer or plugin host.  If it's empty, it's the browser.
 const char kProcessType[]                   = "type";