chore: bump chromium to 123.0.6312.5 (main) (#41337)

* chore: bump chromium in DEPS to 123.0.6300.2

* chore: bump chromium in DEPS to 123.0.6301.2

* chore: update patches

* chore: bump chromium in DEPS to 123.0.6302.0

* chore: bump chromium in DEPS to 123.0.6304.0

* chore: update patches

* chore: bump chromium in DEPS to 123.0.6306.2

* chore: update patches

* chore: bump chromium in DEPS to 123.0.6308.0

* chore: update patches

* Refactor //components/pdf/common constants

5292816

* Rename URLLoaderFactoryParams::is_corb_enabled to is_orb_enabled.

Refs 5277040

* Add placeholder of speaker-selection permission.

Refs 5278243

* Move kPdfMimeType to //components/pdf/common/constants.h

Refs 5293155

* chore: gen-libc++-filenames.js

* Make GetClassName non virtual

Refs 5293075
Refs https://issues.chromium.org/issues/324596267

* chore: bump chromium in DEPS to 123.0.6310.0

* chore: update filenames.libcxx.gni

* 5282732: Compute input region using correct pixel size.

5282732

* fixup: Make GetClassName non virtual

* chore: bump chromium in DEPS to 123.0.6312.0

* chore: update patches

* chore: bump chromium in DEPS to 123.0.6312.5

* fixup: Make GetClassName non virtual

* docs: document speaker-selection

5278243

---------

Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com>
Co-authored-by: deepak1556 <hop2deep@gmail.com>
Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

patches/chromium/add_maximized_parameter_to_linuxui_getwindowframeprovider.patch

@@ -151,7 +151,7 @@ index 794efdb773422ddc12ccbe013a13aadeb980b487..a60bbd76141f06202343c68e78688a95
    // In GTK4, there's no way to obtain the frame thickness from CSS values
    // directly, so we must determine it experimentally based on the drawn
 diff --git a/ui/gtk/window_frame_provider_gtk.h b/ui/gtk/window_frame_provider_gtk.h
-index 91236ec07c01ca14248b997577ae887c0c396cd2..d70639d2ba40e325bbbbf6117741c13354984ed5 100644
+index bed28192daffe032fde3a74ca70f1298fb12b1b7..268acade8bd1075f3ce756cdf29bf50905ccb433 100644
 --- a/ui/gtk/window_frame_provider_gtk.h
 +++ b/ui/gtk/window_frame_provider_gtk.h
 @@ -18,7 +18,7 @@ namespace gtk {