Remove file manager private dependency on legacy drive client

Bug: 1003238
Change-Id: Ic4f462e62d5642cb4122b2d98d2b79d7dcacdddc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1890400Reviewed-by: Sergei Datsenko <dats@chromium.org>
Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Commit-Queue: Austin Tankiang <austinct@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711582}

chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc

@@ -34,7 +34,6 @@
 #include "chromeos/disks/disk.h"
 #include "chromeos/disks/mock_disk_mount_manager.h"
 #include "components/drive/drive_pref_names.h"
-#include "components/drive/file_change.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/public/identity_manager/identity_test_utils.h"
 #include "extensions/common/extension.h"

chrome/browser/chromeos/extensions/file_manager/private_api_file_system.cc

@@ -39,8 +39,6 @@
 #include "chrome/common/extensions/api/file_manager_private_internal.h"
 #include "chromeos/constants/chromeos_features.h"
 #include "chromeos/disks/disk_mount_manager.h"
-#include "components/drive/chromeos/file_system_interface.h"
-#include "components/drive/drive.pb.h"
 #include "components/drive/event_logger.h"
 #include "components/drive/file_system_core_util.h"
 #include "components/storage_monitor/storage_info.h"

chrome/browser/chromeos/extensions/file_manager/private_api_file_system.h

@@ -43,7 +43,13 @@ namespace drive {
 namespace util {
 class FileStreamMd5Digester;
 }  // namespace util
-struct HashAndFilePath;
+
+// File path and its MD5 hash obtained from drive.
+struct HashAndFilePath {
+  std::string hash;
+  base::FilePath path;
+};
+
 }  // namespace drive
 
 namespace extensions {

chrome/browser/chromeos/extensions/file_manager/private_api_mount.h

@@ -12,7 +12,6 @@
 #include "base/files/file_path.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_base.h"
 #include "chrome/browser/extensions/chrome_extension_function_details.h"
-#include "components/drive/drive.pb.h"
 #include "components/drive/file_errors.h"
 
 namespace extensions {

chrome/browser/chromeos/extensions/file_manager/private_api_util.cc

@@ -28,7 +28,6 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/file_manager_private.h"
 #include "chromeos/components/drivefs/drivefs_util.h"
-#include "components/drive/drive.pb.h"
 #include "components/drive/drive_api_util.h"
 #include "components/drive/file_errors.h"
 #include "content/public/browser/child_process_security_policy.h"

chrome/browser/extensions/api/BUILD.gn

@@ -34,8 +34,5 @@ function_registration("api_registration") {
     "//third_party/metrics_proto",
     "//ui/accessibility:ax_enums_mojo",
   ]
-  if (is_chromeos) {
-    deps += [ "//components/drive:proto" ]
-  }
   deps += [ "//extensions/common/api" ]
 }