Convert Pass()→std::move() in //content/browser

content/browser/cache_storage/cache_storage_manager.cc

Index: content/browser/cache_storage/cache_storage_manager.cc
diff --git a/content/browser/cache_storage/cache_storage_manager.cc b/content/browser/cache_storage/cache_storage_manager.cc
index 4b55bd4aff9b80923cd27e29e4266fffd62734b1..cd02deb0a0f260913dc2b1993c3006b972121f59 100644
--- a/content/browser/cache_storage/cache_storage_manager.cc
+++ b/content/browser/cache_storage/cache_storage_manager.cc
@@ -5,9 +5,9 @@
 #include "content/browser/cache_storage/cache_storage_manager.h"
 
 #include <stdint.h>
-
 #include <map>
 #include <string>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_enumerator.h"
@@ -125,7 +125,7 @@ scoped_ptr<CacheStorageManager> CacheStorageManager::Create(
   // the dispatcher host per usual.
   manager->SetBlobParametersForCache(old_manager->url_request_context_getter(),
                                      old_manager->blob_storage_context());
-  return manager.Pass();
+  return manager;
 }
 
 CacheStorageManager::~CacheStorageManager() = default;
@@ -178,7 +178,7 @@ void CacheStorageManager::MatchCache(
     const CacheStorageCache::ResponseCallback& callback) {
   CacheStorage* cache_storage = FindOrCreateCacheStorage(origin);
 
-  cache_storage->MatchCache(cache_name, request.Pass(), callback);
+  cache_storage->MatchCache(cache_name, std::move(request), callback);
 }
 
 void CacheStorageManager::MatchAllCaches(
@@ -187,7 +187,7 @@ void CacheStorageManager::MatchAllCaches(
     const CacheStorageCache::ResponseCallback& callback) {
   CacheStorage* cache_storage = FindOrCreateCacheStorage(origin);
 
-  cache_storage->MatchAllCaches(request.Pass(), callback);
+  cache_storage->MatchAllCaches(std::move(request), callback);
 }
 
 void CacheStorageManager::SetBlobParametersForCache(