Use ArcFileSystemInstance to access files on ARC.

chrome/browser/chromeos/arc/fileapi/arc_file_system_instance_util.cc

 // Copyright 2016 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.
 
-#include "chrome/browser/chromeos/arc/fileapi/intent_helper_util.h"
+#include "chrome/browser/chromeos/arc/fileapi/arc_file_system_instance_util.h"
 
 #include "components/arc/arc_bridge_service.h"
 #include "content/public/browser/browser_thread.h"
+#include "url/gurl.h"
 
 namespace arc {
 
-namespace intent_helper_util {
+namespace file_system_instance_util {
 
 namespace {
 
-constexpr uint32_t kGetFileSizeVersion = 15;
-constexpr uint32_t kOpenFileToReadVersion = 15;
+constexpr uint32_t kGetFileSizeVersion = 1;
+constexpr uint32_t kOpenFileToReadVersion = 1;
 
 void OnGetFileSize(const GetFileSizeCallback& callback, int64_t size) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE,
                                    base::Bind(callback, size));
 }
 
 void GetFileSizeOnUIThread(const GURL& arc_url,
                            const GetFileSizeCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   auto* arc_bridge_service = arc::ArcBridgeService::Get();
   if (!arc_bridge_service) {
     LOG(ERROR) << "Failed to get ArcBridgeService.";
     OnGetFileSize(callback, -1);
     return;
   }
-  mojom::IntentHelperInstance* intent_helper_instance =
-      arc_bridge_service->intent_helper()->GetInstanceForMethod(
-          "GetFileSizeDeprecated", kGetFileSizeVersion);
-  if (!intent_helper_instance) {
-    LOG(ERROR) << "Failed to get IntentHelperInstance.";
+  mojom::FileSystemInstance* file_system_instance =
+      arc_bridge_service->file_system()->GetInstanceForMethod(
+          "GetFileSize", kGetFileSizeVersion);
+  if (!file_system_instance) {
+    LOG(ERROR) << "Failed to get FileSystemInstance.";
     OnGetFileSize(callback, -1);
     return;
   }
-  intent_helper_instance->GetFileSizeDeprecated(
-      arc_url.spec(), base::Bind(&OnGetFileSize, callback));
+  file_system_instance->GetFileSize(arc_url.spec(),
+                                    base::Bind(&OnGetFileSize, callback));
 }
 
 void OnOpenFileToRead(const OpenFileToReadCallback& callback,
                       mojo::ScopedHandle handle) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE,
                                    base::Bind(callback, base::Passed(&handle)));
 }
 
 void OpenFileToReadOnUIThread(const GURL& arc_url,
                               const OpenFileToReadCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   auto* arc_bridge_service = arc::ArcBridgeService::Get();
   if (!arc_bridge_service) {
     LOG(ERROR) << "Failed to get ArcBridgeService.";
     OnOpenFileToRead(callback, mojo::ScopedHandle());
     return;
   }
-  mojom::IntentHelperInstance* intent_helper_instance =
-      arc_bridge_service->intent_helper()->GetInstanceForMethod(
-          "OpenFileToReadDeprecated", kOpenFileToReadVersion);
-  if (!intent_helper_instance) {
-    LOG(ERROR) << "Failed to get IntentHelperInstance.";
+  mojom::FileSystemInstance* file_system_instance =
+      arc_bridge_service->file_system()->GetInstanceForMethod(
+          "OpenFileToRead", kOpenFileToReadVersion);
+  if (!file_system_instance) {
+    LOG(ERROR) << "Failed to get FileSystemInstance.";
     OnOpenFileToRead(callback, mojo::ScopedHandle());
     return;
   }
-  intent_helper_instance->OpenFileToReadDeprecated(
-      arc_url.spec(), base::Bind(&OnOpenFileToRead, callback));
+  file_system_instance->OpenFileToRead(arc_url.spec(),
+                                       base::Bind(&OnOpenFileToRead, callback));
 }
 
 }  // namespace
 
 void GetFileSizeOnIOThread(const GURL& arc_url,
                            const GetFileSizeCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&GetFileSizeOnUIThread, arc_url, callback));
 }
 
 void OpenFileToReadOnIOThread(const GURL& arc_url,
                               const OpenFileToReadCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&OpenFileToReadOnUIThread, arc_url, callback));
 }
 
-}  // namespace intent_helper_util
+}  // namespace file_system_instance_util
 
 }  // namespace arc