Remove chrome.fileManagerPrivate.cancelAllFileTransfers().

It isn't supported by DriveFS and doesn't make much sense even with the
current Drive sync implementation.

Bug: 844292
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I0237ea4bb903604672f5e2a7e07ffe3260db7a9a
Reviewed-on: https://chromium-review.googlesource.com/1182906Reviewed-by: Noel Gordon <noel@chromium.org>
Commit-Queue: Sam McNally <sammc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584665}

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

@@ -1062,25 +1062,6 @@ bool FileManagerPrivateInternalCancelFileTransfersFunction::RunAsync() {
   return true;
 }
 
-bool FileManagerPrivateCancelAllFileTransfersFunction::RunAsync() {
-  drive::DriveIntegrationService* const integration_service =
-      drive::DriveIntegrationServiceFactory::FindForProfile(GetProfile());
-  if (!integration_service || !integration_service->IsMounted())
-    return false;
-
-  drive::JobListInterface* const job_list = integration_service->job_list();
-  DCHECK(job_list);
-  const std::vector<drive::JobInfo> jobs = job_list->GetJobInfoList();
-
-  for (size_t i = 0; i < jobs.size(); ++i) {
-    if (drive::IsActiveFileTransferJobInfo(jobs[i]))
-      job_list->CancelJob(jobs[i].job_id);
-  }
-
-  SendResponse(true);
-  return true;
-}
-
 bool FileManagerPrivateSearchDriveFunction::RunAsync() {
   using extensions::api::file_manager_private::SearchDrive::Params;
   const std::unique_ptr<Params> params(Params::Create(*args_));

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

@@ -121,20 +121,6 @@ class FileManagerPrivateInternalCancelFileTransfersFunction
   bool RunAsync() override;
 };
 
-// Implements the chrome.fileManagerPrivate.cancelAllFileTransfers method.
-class FileManagerPrivateCancelAllFileTransfersFunction
-    : public LoggedAsyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("fileManagerPrivate.cancelAllFileTransfers",
-                             FILEMANAGERPRIVATE_CANCELALLFILETRANSFERS)
-
- protected:
-  ~FileManagerPrivateCancelAllFileTransfersFunction() override = default;
-
-  // ChromeAsyncExtensionFunction overrides.
-  bool RunAsync() override;
-};
-
 class FileManagerPrivateSearchDriveFunction
     : public LoggedAsyncExtensionFunction {
  public:

chrome/common/extensions/api/file_manager_private.idl

@@ -910,10 +910,6 @@ interface Functions {
   static void cancelFileTransfers([instanceof=Entry] object[] entries,
                                   SimpleCallback callback);
 
-  // Cancels all ongoing file transfers.
-  // |callback| Completion callback of the cancel.
-  static void cancelAllFileTransfers(SimpleCallback callback);
-
   // Starts to copy an entry. If the source is a directory, the copy is done
   // recursively.
   // |entry| Entry of the source entry to be copied.

third_party/closure_compiler/externs/file_manager_private.js

@@ -659,12 +659,6 @@ chrome.fileManagerPrivate.getVolumeMetadataList = function(callback) {};
  */
 chrome.fileManagerPrivate.cancelFileTransfers = function(entries, callback) {};
 
-/**
- * Cancels all ongoing file transfers.
- * @param {function()} callback
- */
-chrome.fileManagerPrivate.cancelAllFileTransfers = function(callback) {};
-
 /**
  * Starts to copy an entry. If the source is a directory, the copy is done
  * recursively. |entry| Entry of the source entry to be copied. |parent| Entry

ui/file_manager/file_manager/background/js/drive_sync_handler.js

@@ -175,7 +175,6 @@ DriveSyncHandler.prototype.updateItem_ = function(status) {
           } else {
             this.item_.message = strf('SYNC_FILE_NAME', entry.name);
           }
-          this.item_.cancelCallback = this.requestCancel_.bind(this);
           this.item_.progressValue = status.processed || 0;
           this.item_.progressMax = status.total || 0;
           this.progressCenter_.updateItem(this.item_);
@@ -205,14 +204,6 @@ DriveSyncHandler.prototype.removeItem_ = function(status) {
   }.bind(this));
 };
 
-/**
- * Requests to cancel for the given files' drive sync.
- * @private
- */
-DriveSyncHandler.prototype.requestCancel_ = function() {
-  chrome.fileManagerPrivate.cancelAllFileTransfers(util.checkAPIError);
-};
-
 /**
  * Handles drive's sync errors.
  * @param {chrome.fileManagerPrivate.DriveSyncErrorEvent} event Drive sync