Add a preference and command-line option to disable SSL/TLS cipher suites

chrome/browser/prefs/command_line_pref_store.cc

Index: chrome/browser/prefs/command_line_pref_store.cc
diff --git a/chrome/browser/prefs/command_line_pref_store.cc b/chrome/browser/prefs/command_line_pref_store.cc
index a475c45b39f1dca7c55b4d434772fa4cadaeca15..021be741cd0ee7747f9ff360971e68ae06790857 100644
--- a/chrome/browser/prefs/command_line_pref_store.cc
+++ b/chrome/browser/prefs/command_line_pref_store.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/prefs/command_line_pref_store.h"
 
 #include "base/logging.h"
+#include "base/string_split.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/common/chrome_switches.h"
@@ -48,6 +49,7 @@ CommandLinePrefStore::CommandLinePrefStore(const CommandLine* command_line)
   ApplySimpleSwitches();
   ApplyProxyMode();
   ValidateProxySwitches();
+  ApplySSLSwitches();
 }
 
 CommandLinePrefStore::~CommandLinePrefStore() {}
@@ -106,3 +108,18 @@ void CommandLinePrefStore::ApplyProxyMode() {
                                                        bypass_list));
   }
 }
+
+void CommandLinePrefStore::ApplySSLSwitches() {
+  if (command_line_->HasSwitch(switches::kCipherSuiteBlacklist)) {
+    std::string cipher_suites =
+        command_line_->GetSwitchValueASCII(switches::kCipherSuiteBlacklist);
+    std::vector<std::string> cipher_strings;
+    base::SplitString(cipher_suites, ',', &cipher_strings);
+    base::ListValue* list_value = new base::ListValue();
+    for (std::vector<std::string>::const_iterator it = cipher_strings.begin();
+         it != cipher_strings.end(); ++it) {
+      list_value->Append(base::Value::CreateStringValue(*it));
+    }
+    SetValue(prefs::kCipherSuiteBlacklist, list_value);
+  }
+}