Roll ios_internal from 318acc714eeb to ba473974f6fd

318acc714e..ba473974f6

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/ios-internal-chromium-autoroll
Please CC chrome-brapp-engprod@google.com,ginnyhuang@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Change-Id: I0ae65edac82baf44caf2707a93e87919aab7ad8b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6139071
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Bot-Commit: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1401609}

DEPS

@@ -4497,7 +4497,7 @@ deps = {
 
   'src/ios_internal':  {
       'url': Var('chrome_git') + '/chrome/ios_internal.git' + '@' +
-        '318acc714eeb02ac2fd443810f5143f4830ca6a4',
+        'ba473974f6fdf62e0efae4aab100347b54ba17d2',
       'condition': 'checkout_ios and checkout_src_internal',
   },