New ToolBoxSubProcessBrowser demo

- Minor corrections in CEF API types

demos/Delphi_VCL/ToolBoxSubProcessBrowser/uMainForm.dfm

@@ -0,0 +1,57 @@
+object MainForm: TMainForm
+  Left = 0
+  Top = 0
+  BorderIcons = [biSystemMenu]
+  BorderStyle = bsSingle
+  Caption = 'Initializing browser. Please wait...'
+  ClientHeight = 37
+  ClientWidth = 357
+  Color = clBtnFace
+  Font.Charset = DEFAULT_CHARSET
+  Font.Color = clWindowText
+  Font.Height = -11
+  Font.Name = 'Tahoma'
+  Font.Style = []
+  OldCreateOrder = False
+  Position = poScreenCenter
+  OnCreate = FormCreate
+  OnShow = FormShow
+  PixelsPerInch = 96
+  TextHeight = 13
+  object ButtonPnl: TPanel
+    Left = 0
+    Top = 0
+    Width = 357
+    Height = 37
+    Align = alClient
+    BevelOuter = bvNone
+    Enabled = False
+    TabOrder = 0
+    object Edit1: TEdit
+      Left = 8
+      Top = 8
+      Width = 286
+      Height = 21
+      TabOrder = 0
+      Text = 'https://www.google.com'
+    end
+    object Button1: TButton
+      Left = 300
+      Top = 6
+      Width = 51
+      Height = 25
+      Caption = 'Open'
+      TabOrder = 1
+      OnClick = Button1Click
+    end
+  end
+  object CEFSentinel1: TCEFSentinel
+    OnClose = CEFSentinel1Close
+    Left = 224
+  end
+  object Timer1: TTimer
+    Enabled = False
+    OnTimer = Timer1Timer
+    Left = 152
+  end
+end