Remove ScopedVector from ContentBrowserClient.

storage/browser/fileapi/file_system_context.cc

Index: storage/browser/fileapi/file_system_context.cc
diff --git a/storage/browser/fileapi/file_system_context.cc b/storage/browser/fileapi/file_system_context.cc
index 142489523a08d3dd7112aaf8ebb16ac571550400..1de97d456e4f79c4bead71f4facee416109c43c9 100644
--- a/storage/browser/fileapi/file_system_context.cc
+++ b/storage/browser/fileapi/file_system_context.cc
@@ -145,7 +145,7 @@ FileSystemContext::FileSystemContext(
     ExternalMountPoints* external_mount_points,
     storage::SpecialStoragePolicy* special_storage_policy,
     storage::QuotaManagerProxy* quota_manager_proxy,
-    ScopedVector<FileSystemBackend> additional_backends,
+    std::vector<std::unique_ptr<FileSystemBackend>> additional_backends,
     const std::vector<URLRequestAutoMountHandler>& auto_mount_handlers,
     const base::FilePath& partition_path,
     const FileSystemOptions& options)
@@ -173,11 +173,8 @@ FileSystemContext::FileSystemContext(
   RegisterBackend(sandbox_backend_.get());
   RegisterBackend(plugin_private_backend_.get());
 
-  for (ScopedVector<FileSystemBackend>::const_iterator iter =
-          additional_backends_.begin();
-       iter != additional_backends_.end(); ++iter) {
-    RegisterBackend(*iter);
-  }
+  for (const auto& backend : additional_backends_)
+    RegisterBackend(backend.get());
 
   // If the embedder's additional backends already provide support for
   // kFileSystemTypeNativeLocal and kFileSystemTypeNativeForPlatformApp then
@@ -198,11 +195,8 @@ FileSystemContext::FileSystemContext(
   sandbox_backend_->Initialize(this);
   isolated_backend_->Initialize(this);
   plugin_private_backend_->Initialize(this);
-  for (ScopedVector<FileSystemBackend>::const_iterator iter =
-          additional_backends_.begin();
-       iter != additional_backends_.end(); ++iter) {
-    (*iter)->Initialize(this);
-  }
+  for (const auto& backend : additional_backends_)
+    backend->Initialize(this);
 
   // Additional mount points must be added before regular system-wide
   // mount points.