chore: bump chromium to 31b4a223e6e2bd9d5ce6c37cbdec6 (master) (#22514)

* chore: bump chromium in DEPS to 7f366dc6e2f06228b12b021cc1486a1de81a257d

* chore: bump chromium in DEPS to d785c1a601f5f33627d23e40b1ed9dd94c63d818

* update patches

* Rename an old referrer policy value

2082856

* chore: bump chromium in DEPS to 735e0d2910b2e55c15e0b9cb9fca9431307ac661

* update v8 patches

* Update DEPS

* update patches

* chore: bump chromium in DEPS to b3d09c15c4460680b85218b7b0eb0849c5a6e840

* Replace blink::WebCursorInfo with ui::Cursor

1997138

* chore: bump chromium in DEPS to bf433ad6dcfcaac460512bb45a53d5a2ea5356f9

* chore: bump chromium in DEPS to 38fad190ac908b6977ab271acc82c2fe74f6e85e

* chore: bump chromium in DEPS to aa597178119cb37ab54caeda27b2ef30a2f9a003

* update patches

* DownloadURLParameters: Remove NetworkIsolationKey parameter.

2050987

* fix pdf viewer tests by binding more mojo things

* chore: bump chromium in DEPS to 08835601be331b4a223e6e2bd9d5ce6c37cbdec6

Co-authored-by: Jeremy Apthorp <jeremya@chromium.org>
Co-authored-by: Jeremy Apthorp <nornagon@nornagon.net>

patches/chromium/gin_enable_disable_v8_platform.patch

@@ -38,7 +38,7 @@ index f23af2d9738f3aa76e3a49301e1c3216ee4a64b4..ede178acabc63c3c33d6ce93efd5632b
    v8::Isolate* isolate() { return isolate_; }
  
 diff --git a/gin/v8_initializer.cc b/gin/v8_initializer.cc
-index 48bd647dcf7ecd121cd250bec1f7c2fc093a03fb..02468b82e0e304a76b9653c511ed0697dfd9b5f7 100644
+index 3a3742ed911cf49b6c93d02763d6eaa9554df62b..c53ea98d3897675c18c1eb8ad37dbce61110fa2e 100644
 --- a/gin/v8_initializer.cc
 +++ b/gin/v8_initializer.cc
 @@ -190,12 +190,14 @@ enum LoadV8FileResult {