Enable DPI aware setting in Lazarus demos for Windows

Cleanup some useless code in Lazarus demos for Windows

demos/Lazarus_Windows/SchemeRegistrationBrowser_subprocess/SchemeRegistrationBrowser.lpi

@@ -16,6 +16,9 @@
       <UseAppBundle Value="False"/>
       <ResourceType Value="res"/>
       <UseXPManifest Value="True"/>
+      <XPManifest>
+        <DpiAware Value="True/PM_V2"/>
+      </XPManifest>
     </General>
     <BuildModes Count="1">
       <Item1 Name="Default" Default="True"/>

demos/Lazarus_Windows/SchemeRegistrationBrowser_subprocess/SchemeRegistrationBrowser.lpr

@@ -3,15 +3,15 @@ program SchemeRegistrationBrowser;
 {$I ..\..\..\source\cef.inc}
 
 uses
-  Forms, Interfaces,
+  Forms,
+  Interfaces,
   Windows,
   uCEFApplication,
   uSchemeRegistrationBrowser in 'uSchemeRegistrationBrowser.pas' {SchemeRegistrationBrowserFrm},
   uHelloScheme in 'uHelloScheme.pas';
 
-//{$R *.res}
-
-{$SetPEFlags IMAGE_FILE_LARGE_ADDRESS_AWARE}
+// CEF needs to set the LARGEADDRESSAWARE ($20) flag which allows 32-bit processes to use up to 3GB of RAM.
+{$IFDEF WIN32}{$SetPEFlags IMAGE_FILE_LARGE_ADDRESS_AWARE}{$ENDIF}
 
 {$R *.res}
 

demos/Lazarus_Windows/SchemeRegistrationBrowser_subprocess/SchemeRegistrationBrowser_sp.lpr

@@ -5,12 +5,12 @@ program SchemeRegistrationBrowser_sp;
 {$I ..\..\..\source\cef.inc}
 
 uses
-  LCLIntf, LCLType, LMessages, Forms, Interfaces,
+  Forms,
+  Interfaces,
   uCEFApplicationCore, uCEFConstants, uCEFSchemeRegistrar;
 
-// CEF3 needs to set the LARGEADDRESSAWARE flag which allows 32-bit processes
-// to use up to 3GB of RAM.
-{$SetPEFlags $20}
+// CEF needs to set the LARGEADDRESSAWARE ($20) flag which allows 32-bit processes to use up to 3GB of RAM.
+{$IFDEF WIN32}{$SetPEFlags $20}{$ENDIF}
 
 // It's necessary to register the custom scheme in all CEF subprocesses
 procedure GlobalCEFApp_OnRegCustomSchemes(const registrar: TCefSchemeRegistrarRef);

demos/Lazarus_Windows/SchemeRegistrationBrowser_subprocess/uSchemeRegistrationBrowser.lfm

@@ -10,10 +10,11 @@ object SchemeRegistrationBrowserFrm: TSchemeRegistrationBrowserFrm
   Font.Color = clWindowText
   Font.Height = -11
   Font.Name = 'Tahoma'
+  Position = poScreenCenter
+  LCLVersion = '4.0.0.4'
   OnCloseQuery = FormCloseQuery
   OnCreate = FormCreate
   OnShow = FormShow
-  Position = poScreenCenter
   object AddressBarPnl: TPanel
     Left = 0
     Height = 21

demos/Lazarus_Windows/SchemeRegistrationBrowser_subprocess/uSchemeRegistrationBrowser.pas

@@ -8,14 +8,8 @@ unit uSchemeRegistrationBrowser;
 interface
 
 uses
-  {$IFDEF DELPHI16_UP}
-  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Menus,
-  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, System.Types, Vcl.ComCtrls, Vcl.ClipBrd,
-  System.UITypes,
-  {$ELSE}
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Menus,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, Types, ComCtrls, ClipBrd,
-  {$ENDIF}
   uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFSchemeRegistrar,
   uCEFTypes, uCEFConstants, uCEFWinControl, uCEFChromiumEvents;