Convert FileSystem to new Mojo types

This CL converts FileSystemPtr in content to the new Mojo type.

Bug: 955171
Change-Id: I367ee37e060b8f79bd53bfe6e363c4bdb3cbba0f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1810506Reviewed-by: Victor Costan <pwnall@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Commit-Queue: Miyoung Shin <myid.shin@igalia.com>
Cr-Commit-Position: refs/heads/master@{#697856}

content/browser/dom_storage/local_storage_context_mojo.cc

@@ -712,7 +712,9 @@ void LocalStorageContextMojo::InitiateConnection(bool in_memory_only) {
   if (!subdirectory_.empty() && !in_memory_only) {
     // We were given a subdirectory to write to. Get it and use a disk backed
     // database.
-    connector_->BindInterface(file::mojom::kServiceName, &file_system_);
+    file_system_.reset();
+    connector_->Connect(file::mojom::kServiceName,
+                        file_system_.BindNewPipeAndPassReceiver());
     file_system_->GetSubDirectory(
         subdirectory_.AsUTF8Unsafe(), MakeRequest(&directory_),
         base::BindOnce(&LocalStorageContextMojo::OnDirectoryOpened,

content/browser/dom_storage/local_storage_context_mojo.h

@@ -184,7 +184,7 @@ class CONTENT_EXPORT LocalStorageContextMojo
   bool force_keep_session_state_ = false;
   scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy_;
 
-  file::mojom::FileSystemPtr file_system_;
+  mojo::Remote<file::mojom::FileSystem> file_system_;
   filesystem::mojom::DirectoryPtr directory_;
 
   base::trace_event::MemoryAllocatorDumpGuid memory_dump_id_;

content/browser/dom_storage/session_storage_context_mojo.cc

@@ -711,7 +711,9 @@ void SessionStorageContextMojo::InitiateConnection(bool in_memory_only) {
   if (backing_mode_ != BackingMode::kNoDisk && !in_memory_only) {
     // We were given a subdirectory to write to. Get it and use a disk backed
     // database.
-    connector_->BindInterface(file::mojom::kServiceName, &file_system_);
+    file_system_.reset();
+    connector_->Connect(file::mojom::kServiceName,
+                        file_system_.BindNewPipeAndPassReceiver());
     file_system_->GetSubDirectory(
         partition_directory_path_.AsUTF8Unsafe(),
         MakeRequest(&partition_directory_),

content/browser/dom_storage/session_storage_context_mojo.h

@@ -253,7 +253,7 @@ class CONTENT_EXPORT SessionStorageContextMojo
   } connection_state_ = NO_CONNECTION;
   bool database_initialized_ = false;
 
-  file::mojom::FileSystemPtr file_system_;
+  mojo::Remote<file::mojom::FileSystem> file_system_;
   filesystem::mojom::DirectoryPtr partition_directory_;
 
   base::trace_event::MemoryAllocatorDumpGuid memory_dump_id_;