ConvertPathToArcUrl: Support DriveFS via Seneschal

For ARCVM, DriveFS path will be handled by Seneschal SharePath
request. For ARC++, legacy fd passing will be kept for the time
being (b/157297349).

Bug: 147618164
Test: Files on DriveFS can be opened by an android app
Change-Id: I99e5704610d5a922a95e4c3d885b6b62d9b9a144
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2212114Reviewed-by: Naoki Fukino <fukino@chromium.org>
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Commit-Queue: Cherie Cheung <cherieccy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774017}

chrome/browser/chromeos/file_manager/path_util.cc

@@ -24,6 +24,7 @@
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/fileapi/external_file_url_util.h"
 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
+#include "chrome/browser/chromeos/guest_os/guest_os_share_path.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/smb_client/smb_service.h"
 #include "chrome/browser/chromeos/smb_client/smb_service_factory.h"
@@ -32,6 +33,7 @@
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chromeos/constants/chromeos_features.h"
+#include "components/arc/arc_util.h"
 #include "components/drive/file_system_core_util.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_manager.h"
@@ -70,6 +72,8 @@ constexpr char kArcRemovableMediaContentUrlPrefix[] =
     "content://org.chromium.arc.volumeprovider/removable/";
 constexpr char kArcMyFilesContentUrlPrefix[] =
     "content://org.chromium.arc.volumeprovider/MyFiles/";
+constexpr char kArcDriveContentUrlPrefix[] =
+    "content://org.chromium.arc.volumeprovider/MyDrive/";
 
 Profile* GetPrimaryProfile() {
   if (!user_manager::UserManager::IsInitialized())
@@ -413,17 +417,34 @@ bool ConvertPathToArcUrl(const base::FilePath& path, GURL* arc_url_out) {
   }
 
   bool force_external = false;
-  // Force external URL for DriveFS, Crostini and smbfs.
-  drive::DriveIntegrationService* integration_service =
+  // Convert paths under DriveFS.
+  const drive::DriveIntegrationService* integration_service =
       drive::util::GetIntegrationServiceByProfile(primary_profile);
-  if ((integration_service &&
+  if (integration_service &&
       integration_service->GetMountPointPath().AppendRelativePath(
-           path, &relative_path)) ||
-      GetCrostiniMountDirectory(primary_profile)
+          path, &relative_path)) {
+    if (arc::IsArcVmEnabled()) {
+      guest_os::GuestOsSharePath::GetForProfile(primary_profile)
+          ->SharePath(arc::kArcVmName, path, /*persist=*/false,
+                      base::DoNothing());
+      *arc_url_out =
+          GURL(kArcDriveContentUrlPrefix)
+              .Resolve(net::EscapePath(relative_path.AsUTF8Unsafe()));
+      return true;
+    } else {
+      // TODO(b/157297349): For backward compatibility with ARC++ P, force
+      // external URL for DriveFS.
+      force_external = true;
+    }
+  }
+
+  // Force external URL for Crostini.
+  if (GetCrostiniMountDirectory(primary_profile)
           .AppendRelativePath(path, &relative_path)) {
     force_external = true;
   }
 
+  // Force external URL for smbfs.
   chromeos::smb_client::SmbService* smb_service =
       chromeos::smb_client::SmbServiceFactory::Get(primary_profile);
   if (smb_service) {

chrome/browser/chromeos/file_manager/path_util_unittest.cc

@@ -31,6 +31,7 @@
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "components/account_id/account_id.h"
 #include "components/arc/arc_service_manager.h"
+#include "components/arc/arc_util.h"
 #include "components/arc/session/arc_bridge_service.h"
 #include "components/arc/test/connection_holder_util.h"
 #include "components/arc/test/fake_file_system_instance.h"
@@ -643,7 +644,7 @@ TEST_F(FileManagerPathUtilConvertUrlTest, ConvertPathToArcUrl_Crostini) {
             url);
 }
 
-TEST_F(FileManagerPathUtilConvertUrlTest, ConvertPathToArcUrl_Special) {
+TEST_F(FileManagerPathUtilConvertUrlTest, ConvertPathToArcUrl_MyDriveLegacy) {
   GURL url;
   EXPECT_TRUE(
       ConvertPathToArcUrl(drive_mount_point_.AppendASCII("a/b/c"), &url));
@@ -657,6 +658,18 @@ TEST_F(FileManagerPathUtilConvertUrlTest, ConvertPathToArcUrl_Special) {
             url);
 }
 
+TEST_F(FileManagerPathUtilConvertUrlTest, ConvertPathToArcUrl_MyDriveArcvm) {
+  auto* command_line = base::CommandLine::ForCurrentProcess();
+  command_line->InitFromArgv({"", "--enable-arcvm"});
+  EXPECT_TRUE(arc::IsArcVmEnabled());
+  GURL url;
+  EXPECT_TRUE(
+      ConvertPathToArcUrl(drive_mount_point_.AppendASCII("a/b/c"), &url));
+  EXPECT_EQ(GURL("content://org.chromium.arc.volumeprovider/"
+                 "MyDrive/a/b/c"),
+            url);
+}
+
 TEST_F(FileManagerPathUtilConvertUrlTest,
        ConvertToContentUrls_InvalidMountType) {
   base::RunLoop run_loop;