Convert Pass()→std::move() in //chrome/browser/extensions

chrome/browser/extensions/install_verifier.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/install_verifier.h"
 
 #include <algorithm>
 #include <string>
+#include <utility>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 209 matching lines @@
   const base::DictionaryValue* pref = prefs_->GetInstallSignature();
   if (pref) {
     scoped_ptr<InstallSignature> signature_from_prefs =
         InstallSignature::FromValue(*pref);
     if (!signature_from_prefs.get()) {
       LogInitResultHistogram(INIT_UNPARSEABLE_PREF);
     } else if (!InstallSigner::VerifySignature(*signature_from_prefs.get())) {
       LogInitResultHistogram(INIT_INVALID_SIGNATURE);
       DVLOG(1) << "Init - ignoring invalid signature";
     } else {
-      signature_ = signature_from_prefs.Pass();
+      signature_ = std::move(signature_from_prefs);
       LogInitResultHistogram(INIT_VALID_SIGNATURE);
       UMA_HISTOGRAM_COUNTS_100("ExtensionInstallVerifier.InitSignatureCount",
                                signature_->ids.size());
       GarbageCollect();
     }
   } else {
     LogInitResultHistogram(INIT_NO_PREF);
   }
 
   ExtensionSystem::Get(context_)->ready().Post(
@@ skipping 380 matching lines @@
     GetSignatureResultHistogram(CALLBACK_VALID_SIGNATURE);
     success = true;
   }
 
   if (!success) {
     OnVerificationComplete(false, operation->type);
 
     // TODO(asargent) - if this was something like a network error, we need to
     // do retries with exponential back off.
   } else {
-    signature_ = signature.Pass();
+    signature_ = std::move(signature);
     SaveToPrefs();
 
     if (!provisional_.empty()) {
       // Update |provisional_| to remove ids that were successfully signed.
       provisional_ = base::STLSetDifference<ExtensionIdSet>(
           provisional_, signature_->ids);
     }
 
     OnVerificationComplete(success, operation->type);
   }
 
   if (!operation_queue_.empty())
     BeginFetch();
 }
 
 }  // namespace extensions