Add a method to remount all removable devices in DiskMountManager.

chrome/browser/chromeos/file_manager/fake_disk_mount_manager.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FAKE_DISK_MOUNT_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FAKE_DISK_MOUNT_MANAGER_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 25 matching lines @@
   };
 
   struct UnmountRequest {
     UnmountRequest(const std::string& mount_path,
                    chromeos::UnmountOptions options);
 
     std::string mount_path;
     chromeos::UnmountOptions options;
   };
 
+  struct RemountAllRequest {
+    RemountAllRequest(chromeos::MountAccessMode access_mode);
+    chromeos::MountAccessMode access_mode;
+  };
+
   FakeDiskMountManager();
   ~FakeDiskMountManager() override;
 
   const std::vector<MountRequest>& mount_requests() const {
     return mount_requests_;
   }
   const std::vector<UnmountRequest>& unmount_requests() const {
     return unmount_requests_;
   }
+  const std::vector<RemountAllRequest>& remount_all_requests() const {
+    return remount_all_requests_;
+  }
 
   // Emulates that all mount request finished.
   // Return true if there was one or more mount request enqueued, or false
   // otherwise.
   bool FinishAllUnmountPathRequests();
 
   // DiskMountManager overrides.
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   const DiskMap& disks() const override;
   const Disk* FindDiskBySourcePath(
       const std::string& source_path) const override;
   const MountPointMap& mount_points() const override;
   void EnsureMountInfoRefreshed(
       const EnsureMountInfoRefreshedCallback& callback,
       bool force) override;
   void MountPath(const std::string& source_path,
                  const std::string& source_format,
                  const std::string& mount_label,
                  chromeos::MountType type,
                  chromeos::MountAccessMode access_mode) override;
   // In order to simulate asynchronous invocation of callbacks after unmount
   // is finished, |callback| will be invoked only when
   // |FinishAllUnmountRequest()| is called.
   void UnmountPath(const std::string& mount_path,
                    chromeos::UnmountOptions options,
                    const UnmountPathCallback& callback) override;
+  void RemountAllRemovableDrives(
+      chromeos::MountAccessMode access_mode) override;
   void FormatMountedDevice(const std::string& mount_path) override;
   void UnmountDeviceRecursively(
       const std::string& device_path,
       const UnmountDeviceRecursivelyCallbackType& callback) override;
 
   bool AddDiskForTest(std::unique_ptr<Disk> disk) override;
   bool AddMountPointForTest(const MountPointInfo& mount_point) override;
   void InvokeDiskEventForTest(DiskEvent event, const Disk* disk);
 
  private:
   base::ObserverList<Observer> observers_;
   std::queue<UnmountPathCallback> pending_unmount_callbacks_;
 
   DiskMap disks_;
   MountPointMap mount_points_;
 
   std::vector<MountRequest> mount_requests_;
   std::vector<UnmountRequest> unmount_requests_;
+  std::vector<RemountAllRequest> remount_all_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeDiskMountManager);
 };
 
 }  // namespace file_manager
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FAKE_DISK_MOUNT_MANAGER_H_