Patch status: needs upstreaming

Add missing dependencies for rare race conditions, these are all
related to Qt-specific changes as far as I can see.

https://bugs.gentoo.org/942142
--- a/src/3rdparty/chromium/components/history/core/browser/BUILD.gn
+++ b/src/3rdparty/chromium/components/history/core/browser/BUILD.gn
@@ -184,4 +184,8 @@
       "//components/sync",
     ]
+
+    deps += [
+      "//components/signin/public/base:signin_buildflags",
+    ]
   }
 
--- a/src/3rdparty/chromium/qtwebengine/browser/extensions/api/BUILD.gn
+++ b/src/3rdparty/chromium/qtwebengine/browser/extensions/api/BUILD.gn
@@ -46,4 +46,5 @@
   deps = [
     "//content/public/browser",
+    "//qtwebengine/common/extensions/api:api",
   ]
 }
--- a/src/core/ozone/BUILD.gn
+++ b/src/core/ozone/BUILD.gn
@@ -22,4 +22,5 @@
   deps = [
     "//base",
+    "//media/gpu:buildflags",
     "//ui/base:buildflags",
     "//ui/ozone:ozone_base",