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

* chore: bump chromium in DEPS to 760c905ccca34d8ed83c54f6a42c42a375792a6b

* chore: update patches

- Introduce WebContentsObserverList to encapsulate common behaviour
  https://chromium-review.googlesource.com/c/chromium/src/+/2343269
- DumpAccTree mac testing: refactor tree formatter logic to make it
suitable for nested attribute calls
  https://chromium-review.googlesource.com/c/chromium/src/+/2274545
- Fix FontPlatformDataMacTest.VariableOpticalSizingThreshold for Big Sur
  https://chromium-review.googlesource.com/c/chromium/src/+/2351299

* chore: bump chromium in DEPS to b04584161e07d4ac110045b7647fa8a81f5f0709

* chore: update patches

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

https://chromium-review.googlesource.com/c/chromium/src/+/2341222

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

patches/chromium/revert_remove_contentrendererclient_shouldfork.patch

@@ -9,10 +9,10 @@ for every navigation to keep Node.js working properly. Once Native Modules in th
 are required to be NAPI or context aware (Electron v11), this patch can be removed.
 
 diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
-index 48911a721341f4e27c1d30dc1709936c51afa987..6167e73a6d6208596fb38e44763b46330038dea2 100644
+index db7c909b99bd543048b41e516c08db13e7f9a1c8..bba8fca230f39758e1008fb2b64891e9a6f5ff67 100644
 --- a/chrome/renderer/chrome_content_renderer_client.cc
 +++ b/chrome/renderer/chrome_content_renderer_client.cc
-@@ -1316,6 +1316,25 @@ bool ChromeContentRendererClient::AllowPopup() {
+@@ -1279,6 +1279,25 @@ bool ChromeContentRendererClient::AllowPopup() {
  #endif
  }
  
@@ -92,10 +92,10 @@ index cc6101c82e659bbc5a8568c166d5a56fae0c8d64..8309bb7f3f284b0930c13a7e75a7f9de
    // |url|. If the function returns a valid |new_url|, the request must be
    // updated to use it. The |force_ignore_site_for_cookies| output parameter
 diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
-index cf7771e9aeb4743f5412130b79a54ef0b245e96a..22fded5c2a3cce9f6edb397e42620cffc4c9fe23 100644
+index 68d2666696de00c28d57f9745f5ca902d2c16bc9..d870323c7848174c4ca8d428b8f207595f113e92 100644
 --- a/content/renderer/render_frame_impl.cc
 +++ b/content/renderer/render_frame_impl.cc
-@@ -5531,6 +5531,23 @@ void RenderFrameImpl::BeginNavigation(
+@@ -5692,6 +5692,23 @@ void RenderFrameImpl::BeginNavigation(
      // we can do a per-frame check here rather than a process-wide check.
      bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
                         (enabled_bindings_ & kWebUIBindingsPolicyMask);