Revert of Changed api to notify when watched directory is deleted.

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

Index: chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc b/chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc
index fa0d0b38a08b55d7d52ce69cd5dfb47d823a4635..7644101eb3c72bf575a6503586bd681bc4e6ee5b 100644
--- a/chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/file_manager_private_apitest.cc
@@ -3,12 +3,8 @@
 // found in the LICENSE file.
 
 #include "base/stl_util.h"
-#include "chrome/browser/chromeos/drive/file_change.h"
-#include "chrome/browser/chromeos/extensions/file_manager/event_router.h"
 #include "chrome/browser/chromeos/file_manager/drive_test_util.h"
-#include "chrome/browser/chromeos/file_manager/file_watcher.h"
 #include "chrome/browser/extensions/extension_apitest.h"
-#include "chrome/test/base/testing_profile.h"
 #include "chromeos/dbus/cros_disks_client.h"
 #include "chromeos/disks/mock_disk_mount_manager.h"
 #include "extensions/common/extension.h"
@@ -112,17 +108,6 @@
   }
 };
 
-void DispatchDirectoryChangeEventImpl(
-    int* counter,
-    const base::FilePath& virtual_path,
-    const drive::FileChange* list,
-    bool got_error,
-    const std::vector<std::string>& extension_ids) {
-  ++(*counter);
-}
-
-void AddFileWatchCallback(bool success) {}
-
 }  // namespace
 
 class FileManagerPrivateApiTest : public ExtensionApiTest {
@@ -134,30 +119,13 @@
 
   virtual ~FileManagerPrivateApiTest() {
     DCHECK(!disk_mount_manager_mock_);
-    DCHECK(!testing_profile_);
-    DCHECK(!event_router_);
     STLDeleteValues(&volumes_);
-  }
-
-  virtual void SetUpOnMainThread() override {
-    ExtensionApiTest::SetUpOnMainThread();
-
-    testing_profile_.reset(new TestingProfile());
-    event_router_.reset(new file_manager::EventRouter(testing_profile_.get()));
-  }
-
-  virtual void TearDownOnMainThread() override {
-    event_router_->Shutdown();
-
-    event_router_.reset();
-    testing_profile_.reset();
-
-    ExtensionApiTest::TearDownOnMainThread();
   }
 
   // ExtensionApiTest override
   virtual void SetUpInProcessBrowserTestFixture() override {
     ExtensionApiTest::SetUpInProcessBrowserTestFixture();
+
     disk_mount_manager_mock_ = new chromeos::disks::MockDiskMountManager;
     chromeos::disks::DiskMountManager::InitializeForTesting(
         disk_mount_manager_mock_);
@@ -273,8 +241,6 @@
   chromeos::disks::MockDiskMountManager* disk_mount_manager_mock_;
   DiskMountManager::DiskMap volumes_;
   DiskMountManager::MountPointMap mount_points_;
-  scoped_ptr<TestingProfile> testing_profile_;
-  scoped_ptr<file_manager::EventRouter> event_router_;
 };
 
 IN_PROC_BROWSER_TEST_F(FileManagerPrivateApiTest, Mount) {
@@ -304,56 +270,3 @@
   const extensions::InstallWarning& warning = extension->install_warnings()[0];
   EXPECT_EQ("fileManagerPrivate", warning.key);
 }
-
-IN_PROC_BROWSER_TEST_F(FileManagerPrivateApiTest, OnFileChanged) {
-  // In drive volume, deletion of a directory is notified via OnFileChanged.
-  // Local changes directly come to HandleFileWatchNotification from
-  // FileWatcher.
-  typedef drive::FileChange FileChange;
-  typedef drive::FileChange::FileType FileType;
-  typedef drive::FileChange::ChangeType ChangeType;
-
-  int counter = 0;
-  event_router_->SetDispatchDirectoryChangeEventImplForTesting(
-      base::Bind(&DispatchDirectoryChangeEventImpl, &counter));
-
-  // /a/b/c and /a/d/e are being watched.
-  event_router_->AddFileWatch(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/a/b/c")),
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs-virtual/root/a/b/c")),
-      "extension_1", base::Bind(&AddFileWatchCallback));
-
-  event_router_->AddFileWatch(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/a/d/e")),
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs-hash/root/a/d/e")),
-      "extension_2", base::Bind(&AddFileWatchCallback));
-
-  event_router_->AddFileWatch(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/aaa")),
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs-hash/root/aaa")),
-      "extension_3", base::Bind(&AddFileWatchCallback));
-
-  // When /a is deleted (1 and 2 is notified).
-  FileChange first_change;
-  first_change.Update(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/a")),
-      FileType::FILE_TYPE_DIRECTORY, ChangeType::DELETE);
-  event_router_->OnFileChanged(first_change);
-  EXPECT_EQ(2, counter);
-
-  // When /a/b/c is deleted (1 is notified).
-  FileChange second_change;
-  second_change.Update(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/a/b/c")),
-      FileType::FILE_TYPE_DIRECTORY, ChangeType::DELETE);
-  event_router_->OnFileChanged(second_change);
-  EXPECT_EQ(3, counter);
-
-  // When /z/y is deleted (Not notified).
-  FileChange third_change;
-  third_change.Update(
-      base::FilePath(FILE_PATH_LITERAL("/no-existing-fs/root/z/y")),
-      FileType::FILE_TYPE_DIRECTORY, ChangeType::DELETE);
-  event_router_->OnFileChanged(third_change);
-  EXPECT_EQ(3, counter);
-}