chore: bump chromium to 7d4ac110045b7647fa8a81f5f0709 (master) (#24970)

* chore: bump chromium in DEPS to 760c905ccca34d8ed83c54f6a42c42a375792a6b

* chore: update patches

- Introduce WebContentsObserverList to encapsulate common behaviour
  2343269
- DumpAccTree mac testing: refactor tree formatter logic to make it
suitable for nested attribute calls
  2274545
- Fix FontPlatformDataMacTest.VariableOpticalSizingThreshold for Big Sur
  2351299

* chore: bump chromium in DEPS to b04584161e07d4ac110045b7647fa8a81f5f0709

* chore: update patches

* [printing] Move printing::MarginType to //printing/mojom/print.mojom

2341222

Co-authored-by: deepak1556 <hop2deep@gmail.com>

patches/chromium/dcheck.patch

@@ -17,10 +17,10 @@ only one or two specific checks fail. Then it's better to simply comment out the
 failing checks and allow the rest of the target to have them enabled.
 
 diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
-index c7e29730692fa4bc1a61869b3ff43082fb23c479..164613a77c2ade72c8cb37edc1242f94f2a525bf 100644
+index e026cf1322138009de75accc0e332e1e88267030..739e3ccb60d7a81fdb9af42b50d7ef8cd2811ff3 100644
 --- a/content/browser/frame_host/navigation_controller_impl.cc
 +++ b/content/browser/frame_host/navigation_controller_impl.cc
-@@ -1271,8 +1271,10 @@ NavigationType NavigationControllerImpl::ClassifyNavigation(
+@@ -1279,8 +1279,10 @@ NavigationType NavigationControllerImpl::ClassifyNavigation(
      return NAVIGATION_TYPE_NEW_SUBFRAME;
    }
  
@@ -33,7 +33,7 @@ index c7e29730692fa4bc1a61869b3ff43082fb23c479..164613a77c2ade72c8cb37edc1242f94
  
    if (rfh->GetParent()) {
      // All manual subframes would be did_create_new_entry and handled above, so
-@@ -1528,7 +1530,10 @@ void NavigationControllerImpl::RendererDidNavigateToNewPage(
+@@ -1555,7 +1557,10 @@ void NavigationControllerImpl::RendererDidNavigateToNewPage(
      new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
    }