Add create note palette action.

chrome/browser/ui/ash/palette_delegate_chromeos.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/ui/ash/palette_delegate_chromeos.h"
 
+#include "chrome/browser/chromeos/note_taking_app_utils.h"
+#include "chrome/browser/profiles/profile_manager.h"
+
 namespace chromeos {
+namespace {
+
+Profile* GetProfile() {
+  return ProfileManager::GetActiveUserProfile();
+}
+
+}  // namespace
 
 PaletteDelegateChromeOS::PaletteDelegateChromeOS() {}
 
 PaletteDelegateChromeOS::~PaletteDelegateChromeOS() {}
 
+void PaletteDelegateChromeOS::CreateNote() {
+  chromeos::LaunchNoteTakingAppForNewNote(GetProfile(), base::FilePath());
+}
+
+bool PaletteDelegateChromeOS::HasNoteApp() {
+  return chromeos::IsNoteTakingAppAvailable(GetProfile());
+}
+
 }  // namespace chromeos