Remove --no-js-randomness. Only used by perftracker, which is dead.

The V8 team signed off on removing this as well.

BUG=361460
TEST=none

Review URL: https://codereview.chromium.org/289393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271444 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chrome_content_browser_client.cc

@@ -1661,7 +1661,6 @@ void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
       switches::kEnableWebBasedSignin,
       switches::kMemoryProfiling,
       switches::kMessageLoopHistogrammer,
-      switches::kNoJsRandomness,
       switches::kOutOfProcessPdf,
       switches::kPlaybackMode,
       switches::kPpapiFlashArgs,

chrome/common/chrome_switches.cc

@@ -920,13 +920,6 @@ const char kNoExperiments[]                 = "no-experiments";
 // flag.
 const char kNoFirstRun[]                    = "no-first-run";
 
-// 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";
-
 // Whether or not the browser should warn if the profile is on a network share.
 // This flag is only relevant for Windows currently.
 const char kNoNetworkProfileWarning[]       = "no-network-profile-warning";

chrome/common/chrome_switches.h

@@ -256,7 +256,6 @@ extern const char kNoDisplayingInsecureContent[];
 extern const char kNoEvents[];
 extern const char kNoExperiments[];
 extern const char kNoFirstRun[];
-extern const char kNoJsRandomness[];
 extern const char kNoNetworkProfileWarning[];
 extern const char kNoProxyServer[];
 extern const char kNoPings[];

chrome/renderer/chrome_content_renderer_client.cc

@@ -303,8 +303,7 @@ void ChromeContentRendererClient::RenderThreadStarted() {
     thread->RegisterExtension(extensions_v8::SearchBoxExtension::Get());
 
   if (command_line->HasSwitch(switches::kPlaybackMode) ||
-      command_line->HasSwitch(switches::kRecordMode) ||
-      command_line->HasSwitch(switches::kNoJsRandomness)) {
+      command_line->HasSwitch(switches::kRecordMode)) {
     thread->RegisterExtension(extensions_v8::PlaybackExtension::Get());
   }