Remove HTTP cache Record/Playback support

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 94905fefc07d9709dc52e30e20b7816f8d493647..212aa42b89666b9cdf45b2cd438b1ad1d417426b 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -888,10 +888,6 @@ const char kPermissionRequestApiScope[]     = "permission-request-api-scope";
 // TODO(bauerb): Remove when this flag is not needed anymore.
 const char kPermissionRequestApiUrl[]       = "permission-request-api-url";
 
-// Read previously recorded data from the cache. Only cached data is read.
-// See kRecordMode.
-const char kPlaybackMode[]                  = "playback-mode";
-
 // Use the PPAPI (Pepper) Flash found at the given path.
 const char kPpapiFlashPath[]                = "ppapi-flash-path";
 
@@ -983,12 +979,6 @@ const char kQuicMaxPacketLength[]           = "quic-max-packet-length";
 // Specifies the version of QUIC to use.
 const char kQuicVersion[]                   = "quic-version";
 
-// 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";
-
 // Remember user proceeds through SSL interstitials for a specified amount of
 // time. In particular, remember these decisions through session restart. The
 // time delta to remember certificates should be specified in seconds.