Show has-reset-lock-permissions in chrome://cryptohome

BUG=b:155063317
TEST=Build ok.
TEST=open chrome://cryptohome and check the permission

Cq-Depend: chromium:2460975
Change-Id: I81aa0ba7a899d63a62528a7d0592132d9e2d8908
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2461977Reviewed-by: Satoru Takabayashi <satorux@chromium.org>
Commit-Queue: joe Chou <yich@google.com>
Cr-Commit-Position: refs/heads/master@{#818414}

chrome/browser/resources/chromeos/cryptohome.html

@@ -36,7 +36,11 @@
       <tr>
         <td>Pkcs11IsTpmTokenReady</td>
         <td id="pkcs11-is-tpm-token-ready"></td>
-    </tr>
+      </tr>
+      <tr>
+        <td>HasResetLockPermissions</td>
+        <td id="has-reset-lock-permissions"></td>
+      </tr>
     </table>
     <h3>crypto:</h3>
     <table>

chrome/browser/ui/webui/chromeos/cryptohome_web_ui_handler.cc

@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/values.h"
 #include "chromeos/dbus/cryptohome/cryptohome_client.h"
+#include "chromeos/dbus/cryptohome/rpc.pb.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
@@ -39,6 +40,11 @@ void CryptohomeWebUIHandler::OnPageLoaded(const base::ListValue* args) {
   cryptohome_client->Pkcs11IsTpmTokenReady(
       GetCryptohomeBoolCallback("pkcs11-is-tpm-token-ready"));
 
+  cryptohome_client->GetTpmStatus(
+      cryptohome::GetTpmStatusRequest(),
+      base::BindOnce(&CryptohomeWebUIHandler::OnCryptohomeTpmStatus,
+                     weak_ptr_factory_.GetWeakPtr()));
+
   content::GetIOThreadTaskRunner({})->PostTaskAndReplyWithResult(
       FROM_HERE, base::BindOnce(&crypto::IsTPMTokenReady, base::Closure()),
       base::BindOnce(&CryptohomeWebUIHandler::DidGetNSSUtilInfoOnUIThread,
@@ -59,6 +65,21 @@ DBusMethodCallback<bool> CryptohomeWebUIHandler::GetCryptohomeBoolCallback(
                         weak_ptr_factory_.GetWeakPtr(), destination_id);
 }
 
+void CryptohomeWebUIHandler::OnCryptohomeTpmStatus(
+    base::Optional<cryptohome::BaseReply> reply) {
+  if (!reply.has_value() || reply->has_error() ||
+      !reply->HasExtension(cryptohome::GetTpmStatusReply::reply)) {
+    LOG(ERROR) << "TPM status request failed, error: "
+               << (reply.has_value() && reply->has_error() ? reply->error()
+                                                           : 0);
+    return;
+  }
+  auto reply_proto = reply->GetExtension(cryptohome::GetTpmStatusReply::reply);
+
+  SetCryptohomeProperty("has-reset-lock-permissions",
+                        base::Value(reply_proto.has_reset_lock_permissions()));
+}
+
 void CryptohomeWebUIHandler::OnCryptohomeBoolProperty(
     const std::string& destination_id,
     base::Optional<bool> result) {

chrome/browser/ui/webui/chromeos/cryptohome_web_ui_handler.h

@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
+#include "chromeos/dbus/cryptohome/cryptohome_client.h"
 #include "chromeos/dbus/dbus_method_call_status.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
@@ -45,6 +46,9 @@ class CryptohomeWebUIHandler : public content::WebUIMessageHandler {
   void OnCryptohomeBoolProperty(const std::string& destination_id,
                                 base::Optional<bool> result);
 
+  // This method is called when Cryptohome D-Bus TpmStatus call complete.
+  void OnCryptohomeTpmStatus(base::Optional<cryptohome::BaseReply> reply);
+
   // Sets textcontent of the element whose id is |destination_id| to |value|.
   void SetCryptohomeProperty(const std::string& destination_id,
                              const base::Value& value);