arc: Implement Read and GetFileSize for ARC content file system

chrome/browser/chromeos/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 assert(is_chromeos)
@@ skipping 208 matching lines @@
     "arc/fileapi/arc_content_file_system_async_file_util.cc",
     "arc/fileapi/arc_content_file_system_async_file_util.h",
     "arc/fileapi/arc_content_file_system_backend_delegate.cc",
     "arc/fileapi/arc_content_file_system_backend_delegate.h",
     "arc/fileapi/arc_content_file_system_file_stream_reader.cc",
     "arc/fileapi/arc_content_file_system_file_stream_reader.h",
     "arc/fileapi/arc_content_file_system_service.cc",
     "arc/fileapi/arc_content_file_system_service.h",
     "arc/fileapi/arc_content_file_system_url_util.cc",
     "arc/fileapi/arc_content_file_system_url_util.h",
+    "arc/fileapi/intent_helper_util.cc",
+    "arc/fileapi/intent_helper_util.h",
     "arc/intent_helper/arc_external_protocol_dialog.cc",
     "arc/intent_helper/arc_external_protocol_dialog.h",
     "arc/intent_helper/arc_navigation_throttle.cc",
     "arc/intent_helper/arc_navigation_throttle.h",
     "arc/intent_helper/arc_settings_service.cc",
     "arc/intent_helper/arc_settings_service.h",
     "arc/notification/arc_boot_error_notification.cc",
     "arc/notification/arc_boot_error_notification.h",
     "arc/policy/arc_android_management_checker.cc",
     "arc/policy/arc_android_management_checker.h",
@@ skipping 1125 matching lines @@
     "../metrics/leak_detector/leak_detector_controller_unittest.cc",
     "../metrics/perf/cpu_identity_unittest.cc",
     "../metrics/perf/random_selector_unittest.cc",
     "../notifications/login_state_notification_blocker_chromeos_unittest.cc",
     "../policy/default_geolocation_policy_handler_unittest.cc",
     "../ui/browser_finder_chromeos_unittest.cc",
     "accessibility/magnification_manager_unittest.cc",
     "accessibility/spoken_feedback_event_rewriter_unittest.cc",
     "arc/arc_auth_service_unittest.cc",
     "arc/downloads_watcher/arc_downloads_watcher_service_unittest.cc",
+    "arc/fileapi/arc_content_file_system_async_file_util_unittest.cc",
+    "arc/fileapi/arc_content_file_system_file_stream_reader_unittest.cc",
     "arc/fileapi/arc_content_file_system_url_util_unittest.cc",
     "arc/intent_helper/arc_external_protocol_dialog_unittest.cc",
     "arc/intent_helper/arc_navigation_throttle_unittest.cc",
     "arc/policy/arc_policy_bridge_unittest.cc",
     "attestation/attestation_ca_client_unittest.cc",
     "attestation/attestation_policy_observer_unittest.cc",
     "attestation/fake_certificate.cc",
     "attestation/fake_certificate.h",
     "attestation/platform_verification_flow_unittest.cc",
     "base/file_flusher_unittest.cc",
@@ skipping 244 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }