Run modernize-use-nullptr on chrome/browser/chromeos/extensions/file_manager

Steps I followed:

autoninja -C out/Default chrome

tools/clang/scripts/generate_compdb.py -p out/Default > compile_commands.json

cd out/Default

/usr/local/google/code/llvm/tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
-p ../.. \
-clang-tidy-binary /usr/local/google/code/build/bin/clang-tidy \
-clang-apply-replacements-binary /usr/local/google/code/build/bin/clang-apply-replacements \
-checks=-*,modernize-use-nullptr \
-header-filter=chrome/browser/chromeos/extensions/file_manager/* \
-fix chrome/browser/chromeos/extensions/file_manager

git cl format

Bug: 841659
Change-Id: I61747c05ca97127ad190de3e11337b0045128fea
Reviewed-on: https://chromium-review.googlesource.com/1106578Reviewed-by: Joel Hockey <joelhockey@chromium.org>
Commit-Queue: Stuart Langley <slangley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568547}

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

@@ -478,7 +478,7 @@ void EventRouter::Shutdown() {
       chromeos::DBusThreadManager::Get()->GetPowerManagerClient();
   power_manager_client->RemoveObserver(device_event_router_.get());
 
-  profile_ = NULL;
+  profile_ = nullptr;
 }
 
 void EventRouter::ObserveEvents() {
@@ -575,7 +575,7 @@ void EventRouter::AddFileWatch(const base::FilePath& local_path,
           watch_path,
           base::Bind(&EventRouter::HandleFileWatchNotification,
                      weak_factory_.GetWeakPtr(),
-                     static_cast<drive::FileChange*>(NULL)),
+                     static_cast<drive::FileChange*>(nullptr)),
           callback);
     }
 
@@ -675,7 +675,7 @@ void EventRouter::OnWatcherManagerNotification(
   std::vector<std::string> extension_ids;
   extension_ids.push_back(extension_id);
 
-  DispatchDirectoryChangeEvent(file_system_url.virtual_path(), NULL,
+  DispatchDirectoryChangeEvent(file_system_url.virtual_path(), nullptr,
                                false /* error */, extension_ids);
 }
 
@@ -709,7 +709,7 @@ void EventRouter::OnFileManagerPrefsChanged() {
 }
 
 void EventRouter::OnDirectoryChanged(const base::FilePath& drive_path) {
-  HandleFileWatchNotification(NULL, drive_path, false);
+  HandleFileWatchNotification(nullptr, drive_path, false);
 }
 
 void EventRouter::OnFileChanged(const drive::FileChange& changed_files) {
@@ -837,7 +837,7 @@ void EventRouter::HandleFileWatchNotification(const drive::FileChange* list,
     // kDirectoryChangeEventMaxDetailInfoSize, since passing large list
     // and processing it may cause more itme.
     // This will be invoked full-refresh in the Files app.
-    list = NULL;
+    list = nullptr;
   }
 
   DispatchDirectoryChangeEvent(iter->second->virtual_path(),

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

@@ -186,7 +186,7 @@ void FileSelectorImpl::SelectFile(
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::BindOnce(&FileSelectorImpl::FileSelectionCanceled,
-                       base::Unretained(this), static_cast<void*>(NULL)));
+                       base::Unretained(this), static_cast<void*>(nullptr)));
   }
 }
 
@@ -215,13 +215,11 @@ bool FileSelectorImpl::StartSelectFile(
   allowed_file_info.allowed_paths =
       ui::SelectFileDialog::FileTypeInfo::ANY_PATH;
 
-  dialog_->SelectFile(ui::SelectFileDialog::SELECT_SAVEAS_FILE,
-                      base::string16() /* dialog title*/,
-                      suggested_name,
-                      &allowed_file_info,
-                      0 /* file type index */,
-                      std::string() /* default file extension */,
-                      browser->window()->GetNativeWindow(), NULL /* params */);
+  dialog_->SelectFile(
+      ui::SelectFileDialog::SELECT_SAVEAS_FILE,
+      base::string16() /* dialog title*/, suggested_name, &allowed_file_info,
+      0 /* file type index */, std::string() /* default file extension */,
+      browser->window()->GetNativeWindow(), nullptr /* params */);
 
   return dialog_->IsRunning(browser->window()->GetNativeWindow());
 }
@@ -252,7 +250,7 @@ void FileSelectorImpl::SendResponse(bool success,
   // We don't want to send multiple responses.
   if (function_.get())
     function_->OnFilePathSelected(success, selected_path);
-  function_ = NULL;
+  function_ = nullptr;
 }
 
 // FileSelectorFactory implementation.

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

@@ -232,7 +232,7 @@ class FileBrowserHandlerExtensionTest : public extensions::ExtensionApiTest {
 };
 
 const std::vector<TestCase>* FileBrowserHandlerExtensionTest::test_cases_ =
-    NULL;
+    nullptr;
 size_t FileBrowserHandlerExtensionTest::current_test_case_ = 0;
 
 // End to end test that verifies that fileBrowserHandler.selectFile works as
@@ -303,7 +303,7 @@ IN_PROC_BROWSER_TEST_F(FileBrowserHandlerExtensionTest, EndToEnd) {
   run_loop.Run();
   EXPECT_EQ(kExpectedContents, contents);
 
-  SetTestCases(NULL);
+  SetTestCases(nullptr);
 }
 
 // Tests that verifies the fileBrowserHandlerInternal.selectFile function fails

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

@@ -277,7 +277,7 @@ class SingleEntryPropertiesGetterForDrive {
         local_path_(local_path),
         running_profile_(profile),
         properties_(new EntryProperties),
-        file_owner_profile_(NULL),
+        file_owner_profile_(nullptr),
         weak_ptr_factory_(this) {
     DCHECK(!callback_.is_null());
     DCHECK(profile);

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

@@ -100,7 +100,7 @@ file_manager::EventRouter* GetEventRouterByProfileId(void* profile_id) {
   // |profile_id| needs to be checked with ProfileManager::IsValidProfile
   // before using it.
   if (!g_browser_process->profile_manager()->IsValidProfile(profile_id))
-    return NULL;
+    return nullptr;
   Profile* profile = reinterpret_cast<Profile*>(profile_id);
 
   return file_manager::EventRouterFactory::GetForProfile(profile);

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

@@ -402,7 +402,7 @@ void SetupProfileFileAccessPermissions(int render_view_process_id,
 drive::EventLogger* GetLogger(Profile* profile) {
   drive::DriveIntegrationService* service =
       drive::DriveIntegrationServiceFactory::FindForProfile(profile);
-  return service ? service->event_logger() : NULL;
+  return service ? service->event_logger() : nullptr;
 }
 
 }  // namespace util