Initial support for HSTS certificate locking. This isn't a finished work, but

chrome/browser/ui/webui/net_internals_ui.cc

Index: chrome/browser/ui/webui/net_internals_ui.cc
===================================================================
--- chrome/browser/ui/webui/net_internals_ui.cc	(revision 80507)
+++ chrome/browser/ui/webui/net_internals_ui.cc	(working copy)
@@ -16,6 +16,7 @@
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_piece.h"
+#include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
@@ -1065,6 +1066,8 @@
         result->SetBoolean("subdomains", state.include_subdomains);
         result->SetBoolean("preloaded", state.preloaded);
         result->SetString("domain", state.domain);
+        result->SetString("cert_pins",
+                          JoinString(state.cert_pins, ','));
       }
     }
   }
@@ -1074,7 +1077,7 @@
 
 void NetInternalsMessageHandler::IOThreadImpl::OnHSTSAdd(
     const ListValue* list) {
-  // |list| should be: [<domain to query>, <include subdomains>].
+  // |list| should be: [<domain to query>, <include subdomains>, <cert pins>].
   std::string domain;
   CHECK(list->GetString(0, &domain));
   if (!IsStringASCII(domain)) {
@@ -1084,6 +1087,8 @@
   }
   bool include_subdomains;
   CHECK(list->GetBoolean(1, &include_subdomains));
+  std::string cert_pins_str;
+  CHECK(list->GetString(2, &cert_pins_str));
 
   net::TransportSecurityState* transport_security_state =
       context_getter_->GetURLRequestContext()->transport_security_state();
@@ -1093,6 +1098,18 @@
   net::TransportSecurityState::DomainState state;
   state.expiry = state.created + base::TimeDelta::FromDays(1000);
   state.include_subdomains = include_subdomains;
+  state.cert_pins.clear();
+  if (!cert_pins_str.empty()) {
+    std::vector<std::string> cert_pins;
+    base::SplitString(cert_pins_str, ',', &cert_pins);
+    std::vector<std::string>::const_iterator i = cert_pins.begin();
+    for (; i != cert_pins.end(); ++i) {
+      std::string pin = *i;
+      RemoveChars(pin, " \t\r\n", &pin);
+      StringToLowerASCII(&pin);
+      state.cert_pins.push_back(pin);
+    }
+  }
 
   transport_security_state->EnableHost(domain, state);
 }