Disable Popup and add 1200*800 (#85)

* Disabling both password and card save popup
* Adding 1200*800

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Disables Chrome password/credit-card save prompts and adds 1200x800
modelines across refresh rates to xorg config.
> 
> - **Configuration**
> - **Chromium policies**: Add
`images/chromium-headful/image-chromium/etc/chromium/policies/managed/autofill.json`
with `PasswordManagerEnabled: false` and `AutofillCreditCardEnabled:
false`.
> - **Display**
> - **Xorg**: In `images/chromium-headful/xorg.conf`, add `1200x800`
modelines for `60/30/25/10 Hz` and include them in the `Screen` `Modes`
list.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
68a0120. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: hiroTamada

images/chromium-headful/image-chromium/etc/chromium/policies/managed/autofill.json

@@ -0,0 +1,5 @@
+{
+  "PasswordManagerEnabled": false,
+  "AutofillCreditCardEnabled": false
+}
+

images/chromium-headful/xorg.conf

@@ -70,6 +70,8 @@ Section "Monitor"
   Modeline "2560x1440_60.00" 312.25 2560 2752 3024 3488 1440 1443 1448 1493 -HSync +Vsync
   # 1024x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 63.50 MHz
   Modeline "1024x768_60.00" 63.50 1024 1072 1176 1328 768 771 775 798 -HSync +Vsync
+  # 1200x800 @ 60.00 Hz (GTF) hsync: 49.68 kHz; pclk: 76.11 MHz
+  Modeline "1200x800_60.00" 76.11 1200 1264 1392 1532 800 801 804 828 -HSync +Vsync
 
   # 2560x1440 @ 30.00 Hz (GTF) hsync: 43.95 kHz; pclk: 146.27 MHz
   Modeline "2560x1440_30.00" 146.27 2560 2680 2944 3328 1440 1441 1444 1465 -HSync +Vsync
@@ -93,6 +95,8 @@ Section "Monitor"
   Modeline "1440x900_30.00" 52.80 1440 1496 1648 1888 900 901 904 929 -HSync +Vsync
   # 1024x768 @ 30.00 Hz (GTF) hsync: 23.55 kHz; pclk: 31.50 MHz
   Modeline "1024x768_30.00" 31.50 1024 1048 1152 1280 768 771 775 790 -HSync +Vsync
+  # 1200x800 @ 30.00 Hz (GTF) hsync: 24.54 kHz; pclk: 37.78 MHz
+  Modeline "1200x800_30.00" 37.78 1200 1232 1360 1540 800 801 804 818 -HSync +Vsync
   # 800x1600 @ 30.00 Hz (GTF) hsync: 48.84 kHz; pclk: 51.58 MHz
   Modeline "800x1600_30.00" 51.58 800 840 928 1056 1600 1601 1604 1628 -HSync +Vsync
 
@@ -112,6 +116,8 @@ Section "Monitor"
   Modeline "1440x900_25.00" 44.00 1440 1472 1616 1824 900 901 904 925 -HSync +Vsync
   # 1024x768 @ 25.00 Hz (GTF) hsync: 19.62 kHz; pclk: 26.25 MHz
   Modeline "1024x768_25.00" 26.25 1024 1032 1136 1248 768 771 775 787 -HSync +Vsync
+  # 1200x800 @ 25.00 Hz (GTF) hsync: 20.45 kHz; pclk: 31.48 MHz
+  Modeline "1200x800_25.00" 31.48 1200 1224 1352 1540 800 801 804 818 -HSync +Vsync
   # 800x1600 @ 24.92 Hz (CVT) hsync: 40.53 kHz; pclk: 41.50 MHz
   Modeline "800x1600_25.00"   41.50  800 832 912 1024  1600 1603 1613 1626 -Hsync +Vsync
 
@@ -125,6 +131,8 @@ Section "Monitor"
   Modeline "1440x900_10.00" 17.60 1440 1424 1560 1680 900 901 904 917 -HSync +Vsync
   # 1024x768 @ 10.00 Hz (GTF) hsync: 7.85 kHz; pclk: 10.50 MHz
   Modeline "1024x768_10.00" 10.50 1024 1000 1096 1168 768 771 775 778 -HSync +Vsync
+  # 1200x800 @ 10.00 Hz (GTF) hsync: 8.18 kHz; pclk: 12.59 MHz
+  Modeline "1200x800_10.00" 12.59 1200 1200 1320 1456 800 801 804 818 -HSync +Vsync
 EndSection
 
 Section "Screen"
@@ -135,7 +143,7 @@ Section "Screen"
   SubSection "Display"
     Viewport 0 0
     Depth 24
-    Modes "2560x1440_60.00" "1920x1080_60.00" "1920x1200_60.00" "1440x900_60.00" "1280x720_60.00" "1152x648_60.00" "1024x768_60.00" "1024x576_60.00" "960x720_60.00" "800x600_60.00" "2560x1440_30.00" "1920x1080_30.00" "1920x1200_30.00" "1440x900_30.00" "1368x768_30.00" "1280x720_30.00" "1152x648_30.00" "1024x768_30.00" "1024x576_30.00" "960x720_30.00" "800x600_30.00" "800x1600_30.00" "3840x2160_25.00" "2560x1440_25.00" "1920x1080_25.00" "1920x1200_25.00" "1600x900_25.00" "1440x900_25.00" "1368x768_25.00" "1024x768_25.00" "800x1600_25.00" "2560x1440_10.00" "1920x1080_10.00" "1920x1200_10.00" "1440x900_10.00" "1024x768_10.00"
+    Modes "2560x1440_60.00" "1920x1080_60.00" "1920x1200_60.00" "1440x900_60.00" "1280x720_60.00" "1200x800_60.00" "1152x648_60.00" "1024x768_60.00" "1024x576_60.00" "960x720_60.00" "800x600_60.00" "2560x1440_30.00" "1920x1080_30.00" "1920x1200_30.00" "1440x900_30.00" "1368x768_30.00" "1280x720_30.00" "1200x800_30.00" "1152x648_30.00" "1024x768_30.00" "1024x576_30.00" "960x720_30.00" "800x600_30.00" "800x1600_30.00" "3840x2160_25.00" "2560x1440_25.00" "1920x1080_25.00" "1920x1200_25.00" "1600x900_25.00" "1440x900_25.00" "1368x768_25.00" "1200x800_25.00" "1024x768_25.00" "800x1600_25.00" "2560x1440_10.00" "1920x1080_10.00" "1920x1200_10.00" "1440x900_10.00" "1200x800_10.00" "1024x768_10.00"
   EndSubSection
 EndSection